Finding the Third Proportional to 105,099,990.75 and 245,561,002.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,099,990.75 : 245,561,002.88 = 245,561,002.88 : x
2. Step 2: Convert to fraction form
   105,099,990.75/245,561,002.88 = 245,561,002.88/x
3. Step 3: Cross multiply
   105,099,990.75x = 245,561,002.88 × 245,561,002.88
4. Step 4: Simplify right side
   105,099,990.75x = 60,300,206,132,975,760
5. Step 5: Solve for x
   x = 60,300,206,132,975,760/105,099,990.75
6. Step 6: Final answer
   x = 573,741,307.71