Finding the Third Proportional to 27,121.50 and 58,407.75

Step by Step Solution

1. Step 1: Write the proportion equation
   27,121.50 : 58,407.75 = 58,407.75 : x
2. Step 2: Convert to fraction form
   27,121.50/58,407.75 = 58,407.75/x
3. Step 3: Cross multiply
   27,121.50x = 58,407.75 × 58,407.75
4. Step 4: Simplify right side
   27,121.50x = 3,411,465,260.06
5. Step 5: Solve for x
   x = 3,411,465,260.06/27,121.50
6. Step 6: Final answer
   x = 125,784.53