Finding the Third Proportional to 57,381.75 and 88,634.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,381.75 : 88,634.25 = 88,634.25 : x
2. Step 2: Convert to fraction form
   57,381.75/88,634.25 = 88,634.25/x
3. Step 3: Cross multiply
   57,381.75x = 88,634.25 × 88,634.25
4. Step 4: Simplify right side
   57,381.75x = 7,856,030,273.06
5. Step 5: Solve for x
   x = 7,856,030,273.06/57,381.75
6. Step 6: Final answer
   x = 136,908.17