Finding the Third Proportional to 72,714,963 and 155,507,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,714,963 : 155,507,620.50 = 155,507,620.50 : x
2. Step 2: Convert to fraction form
   72,714,963/155,507,620.50 = 155,507,620.50/x
3. Step 3: Cross multiply
   72,714,963x = 155,507,620.50 × 155,507,620.50
4. Step 4: Simplify right side
   72,714,963x = 24,182,620,033,572,020
5. Step 5: Solve for x
   x = 24,182,620,033,572,020/72,714,963
6. Step 6: Final answer
   x = 332,567,315.39