Finding the Third Proportional to 27,553.50 and 59,690.25

Step by Step Solution

1. Step 1: Write the proportion equation
   27,553.50 : 59,690.25 = 59,690.25 : x
2. Step 2: Convert to fraction form
   27,553.50/59,690.25 = 59,690.25/x
3. Step 3: Cross multiply
   27,553.50x = 59,690.25 × 59,690.25
4. Step 4: Simplify right side
   27,553.50x = 3,562,925,945.06
5. Step 5: Solve for x
   x = 3,562,925,945.06/27,553.50
6. Step 6: Final answer
   x = 129,309.38