Finding the Third Proportional to 56,687.63 and 83,733.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,687.63 : 83,733.75 = 83,733.75 : x
2. Step 2: Convert to fraction form
   56,687.63/83,733.75 = 83,733.75/x
3. Step 3: Cross multiply
   56,687.63x = 83,733.75 × 83,733.75
4. Step 4: Simplify right side
   56,687.63x = 7,011,340,889.06
5. Step 5: Solve for x
   x = 7,011,340,889.06/56,687.63
6. Step 6: Final answer
   x = 123,683.80