Finding the Third Proportional to 58,062.75 and 89,736.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,062.75 : 89,736.75 = 89,736.75 : x
2. Step 2: Convert to fraction form
   58,062.75/89,736.75 = 89,736.75/x
3. Step 3: Cross multiply
   58,062.75x = 89,736.75 × 89,736.75
4. Step 4: Simplify right side
   58,062.75x = 8,052,684,300.56
5. Step 5: Solve for x
   x = 8,052,684,300.56/58,062.75
6. Step 6: Final answer
   x = 138,689.34