Finding the Third Proportional to 111,768,439,108.50 and 243,765,789,424.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111,768,439,108.50 : 243,765,789,424.88 = 243,765,789,424.88 : x
2. Step 2: Convert to fraction form
   111,768,439,108.50/243,765,789,424.88 = 243,765,789,424.88/x
3. Step 3: Cross multiply
   111,768,439,108.50x = 243,765,789,424.88 × 243,765,789,424.88
4. Step 4: Simplify right side
   111,768,439,108.50x = 59,421,760,093,934,942,420,992
5. Step 5: Solve for x
   x = 59,421,760,093,934,942,420,992/111,768,439,108.50
6. Step 6: Final answer
   x = 531,650,621,301.52