Finding the Third Proportional to 102,250.50 and 218,716

Step by Step Solution

1. Step 1: Write the proportion equation
   102,250.50 : 218,716 = 218,716 : x
2. Step 2: Convert to fraction form
   102,250.50/218,716 = 218,716/x
3. Step 3: Cross multiply
   102,250.50x = 218,716 × 218,716
4. Step 4: Simplify right side
   102,250.50x = 47,836,688,656
5. Step 5: Solve for x
   x = 47,836,688,656/102,250.50
6. Step 6: Final answer
   x = 467,838.19