Finding the Third Proportional to 72,187,389 and 150,323,382

Step by Step Solution

1. Step 1: Write the proportion equation
   72,187,389 : 150,323,382 = 150,323,382 : x
2. Step 2: Convert to fraction form
   72,187,389/150,323,382 = 150,323,382/x
3. Step 3: Cross multiply
   72,187,389x = 150,323,382 × 150,323,382
4. Step 4: Simplify right side
   72,187,389x = 22,597,119,175,917,924
5. Step 5: Solve for x
   x = 22,597,119,175,917,924/72,187,389
6. Step 6: Final answer
   x = 313,034,166.89