Finding the Third Proportional to 56,454.43 and 83,122.20

Step by Step Solution

1. Step 1: Write the proportion equation
   56,454.43 : 83,122.20 = 83,122.20 : x
2. Step 2: Convert to fraction form
   56,454.43/83,122.20 = 83,122.20/x
3. Step 3: Cross multiply
   56,454.43x = 83,122.20 × 83,122.20
4. Step 4: Simplify right side
   56,454.43x = 6,909,299,475.33
5. Step 5: Solve for x
   x = 6,909,299,475.33/56,454.43
6. Step 6: Final answer
   x = 122,387.20