Finding the Third Proportional to 57,376.50 and 82,638.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,376.50 : 82,638.75 = 82,638.75 : x
2. Step 2: Convert to fraction form
   57,376.50/82,638.75 = 82,638.75/x
3. Step 3: Cross multiply
   57,376.50x = 82,638.75 × 82,638.75
4. Step 4: Simplify right side
   57,376.50x = 6,829,163,001.56
5. Step 5: Solve for x
   x = 6,829,163,001.56/57,376.50
6. Step 6: Final answer
   x = 119,023.69