Finding the Third Proportional to 102,451.50 and 220,194

Step by Step Solution

1. Step 1: Write the proportion equation
   102,451.50 : 220,194 = 220,194 : x
2. Step 2: Convert to fraction form
   102,451.50/220,194 = 220,194/x
3. Step 3: Cross multiply
   102,451.50x = 220,194 × 220,194
4. Step 4: Simplify right side
   102,451.50x = 48,485,397,636
5. Step 5: Solve for x
   x = 48,485,397,636/102,451.50
6. Step 6: Final answer
   x = 473,252.20