Finding the Third Proportional to 72,300,099 and 110,144,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,300,099 : 110,144,272.50 = 110,144,272.50 : x
2. Step 2: Convert to fraction form
   72,300,099/110,144,272.50 = 110,144,272.50/x
3. Step 3: Cross multiply
   72,300,099x = 110,144,272.50 × 110,144,272.50
4. Step 4: Simplify right side
   72,300,099x = 12,131,760,764,554,256
5. Step 5: Solve for x
   x = 12,131,760,764,554,256/72,300,099
6. Step 6: Final answer
   x = 167,797,291.18