Finding the Third Proportional to 58,790.81 and 88,318.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,790.81 : 88,318.69 = 88,318.69 : x
2. Step 2: Convert to fraction form
   58,790.81/88,318.69 = 88,318.69/x
3. Step 3: Cross multiply
   58,790.81x = 88,318.69 × 88,318.69
4. Step 4: Simplify right side
   58,790.81x = 7,800,190,561.72
5. Step 5: Solve for x
   x = 7,800,190,561.72/58,790.81
6. Step 6: Final answer
   x = 132,677.03