Finding the Third Proportional to 71,139,864 and 153,065,040

Step by Step Solution

1. Step 1: Write the proportion equation
   71,139,864 : 153,065,040 = 153,065,040 : x
2. Step 2: Convert to fraction form
   71,139,864/153,065,040 = 153,065,040/x
3. Step 3: Cross multiply
   71,139,864x = 153,065,040 × 153,065,040
4. Step 4: Simplify right side
   71,139,864x = 23,428,906,470,201,600
5. Step 5: Solve for x
   x = 23,428,906,470,201,600/71,139,864
6. Step 6: Final answer
   x = 329,335,834.41