Finding the Third Proportional to 72,187,688 and 150,323,908

Step by Step Solution

1. Step 1: Write the proportion equation
   72,187,688 : 150,323,908 = 150,323,908 : x
2. Step 2: Convert to fraction form
   72,187,688/150,323,908 = 150,323,908/x
3. Step 3: Cross multiply
   72,187,688x = 150,323,908 × 150,323,908
4. Step 4: Simplify right side
   72,187,688x = 22,597,277,316,392,464
5. Step 5: Solve for x
   x = 22,597,277,316,392,464/72,187,688
6. Step 6: Final answer
   x = 313,035,061.00