Finding the Third Proportional to 156,066 and 336,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,066 : 336,715.50 = 336,715.50 : x
2. Step 2: Convert to fraction form
   156,066/336,715.50 = 336,715.50/x
3. Step 3: Cross multiply
   156,066x = 336,715.50 × 336,715.50
4. Step 4: Simplify right side
   156,066x = 113,377,327,940.25
5. Step 5: Solve for x
   x = 113,377,327,940.25/156,066
6. Step 6: Final answer
   x = 726,470.39