Finding the Third Proportional to 65,693,142 and 155,074,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,693,142 : 155,074,828.50 = 155,074,828.50 : x
2. Step 2: Convert to fraction form
   65,693,142/155,074,828.50 = 155,074,828.50/x
3. Step 3: Cross multiply
   65,693,142x = 155,074,828.50 × 155,074,828.50
4. Step 4: Simplify right side
   65,693,142x = 24,048,202,434,304,412
5. Step 5: Solve for x
   x = 24,048,202,434,304,412/65,693,142
6. Step 6: Final answer
   x = 366,068,690.01