Finding the Third Proportional to 56,683.88 and 84,729.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,683.88 : 84,729.75 = 84,729.75 : x
2. Step 2: Convert to fraction form
   56,683.88/84,729.75 = 84,729.75/x
3. Step 3: Cross multiply
   56,683.88x = 84,729.75 × 84,729.75
4. Step 4: Simplify right side
   56,683.88x = 7,179,130,535.06
5. Step 5: Solve for x
   x = 7,179,130,535.06/56,683.88
6. Step 6: Final answer
   x = 126,652.08