Finding the Third Proportional to 147,622.50 and 354,294

Step by Step Solution

1. Step 1: Write the proportion equation
   147,622.50 : 354,294 = 354,294 : x
2. Step 2: Convert to fraction form
   147,622.50/354,294 = 354,294/x
3. Step 3: Cross multiply
   147,622.50x = 354,294 × 354,294
4. Step 4: Simplify right side
   147,622.50x = 125,524,238,436
5. Step 5: Solve for x
   x = 125,524,238,436/147,622.50
6. Step 6: Final answer
   x = 850,305.60