Finding the Third Proportional to 72,947,443 and 156,320,315

Step by Step Solution

1. Step 1: Write the proportion equation
   72,947,443 : 156,320,315 = 156,320,315 : x
2. Step 2: Convert to fraction form
   72,947,443/156,320,315 = 156,320,315/x
3. Step 3: Cross multiply
   72,947,443x = 156,320,315 × 156,320,315
4. Step 4: Simplify right side
   72,947,443x = 24,436,040,881,699,224
5. Step 5: Solve for x
   x = 24,436,040,881,699,224/72,947,443
6. Step 6: Final answer
   x = 334,981,458.93