Finding the Third Proportional to 72,187,380 and 150,323,364

Step by Step Solution

1. Step 1: Write the proportion equation
   72,187,380 : 150,323,364 = 150,323,364 : x
2. Step 2: Convert to fraction form
   72,187,380/150,323,364 = 150,323,364/x
3. Step 3: Cross multiply
   72,187,380x = 150,323,364 × 150,323,364
4. Step 4: Simplify right side
   72,187,380x = 22,597,113,764,276,496
5. Step 5: Solve for x
   x = 22,597,113,764,276,496/72,187,380
6. Step 6: Final answer
   x = 313,034,130.96