Finding the Third Proportional to 56,713.31 and 83,772.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,713.31 : 83,772.75 = 83,772.75 : x
2. Step 2: Convert to fraction form
   56,713.31/83,772.75 = 83,772.75/x
3. Step 3: Cross multiply
   56,713.31x = 83,772.75 × 83,772.75
4. Step 4: Simplify right side
   56,713.31x = 7,017,873,642.56
5. Step 5: Solve for x
   x = 7,017,873,642.56/56,713.31
6. Step 6: Final answer
   x = 123,742.97