Finding the Third Proportional to 198,042.50 and 427,650

Step by Step Solution

1. Step 1: Write the proportion equation
   198,042.50 : 427,650 = 427,650 : x
2. Step 2: Convert to fraction form
   198,042.50/427,650 = 427,650/x
3. Step 3: Cross multiply
   198,042.50x = 427,650 × 427,650
4. Step 4: Simplify right side
   198,042.50x = 182,884,522,500
5. Step 5: Solve for x
   x = 182,884,522,500/198,042.50
6. Step 6: Final answer
   x = 923,460.99