Finding the Third Proportional to 58,479.75 and 88,638.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,479.75 : 88,638.75 = 88,638.75 : x
2. Step 2: Convert to fraction form
   58,479.75/88,638.75 = 88,638.75/x
3. Step 3: Cross multiply
   58,479.75x = 88,638.75 × 88,638.75
4. Step 4: Simplify right side
   58,479.75x = 7,856,828,001.56
5. Step 5: Solve for x
   x = 7,856,828,001.56/58,479.75
6. Step 6: Final answer
   x = 134,351.26