Finding the Third Proportional to 58,104.75 and 89,784.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,104.75 : 89,784.75 = 89,784.75 : x
2. Step 2: Convert to fraction form
   58,104.75/89,784.75 = 89,784.75/x
3. Step 3: Cross multiply
   58,104.75x = 89,784.75 × 89,784.75
4. Step 4: Simplify right side
   58,104.75x = 8,061,301,332.56
5. Step 5: Solve for x
   x = 8,061,301,332.56/58,104.75
6. Step 6: Final answer
   x = 138,737.39