Finding the Third Proportional to 56,683.13 and 84,728.53

Step by Step Solution

1. Step 1: Write the proportion equation
   56,683.13 : 84,728.53 = 84,728.53 : x
2. Step 2: Convert to fraction form
   56,683.13/84,728.53 = 84,728.53/x
3. Step 3: Cross multiply
   56,683.13x = 84,728.53 × 84,728.53
4. Step 4: Simplify right side
   56,683.13x = 7,178,924,007.78
5. Step 5: Solve for x
   x = 7,178,924,007.78/56,683.13
6. Step 6: Final answer
   x = 126,650.11