Finding the Third Proportional to 35,487.50 and 54,940

Step by Step Solution

1. Step 1: Write the proportion equation
   35,487.50 : 54,940 = 54,940 : x
2. Step 2: Convert to fraction form
   35,487.50/54,940 = 54,940/x
3. Step 3: Cross multiply
   35,487.50x = 54,940 × 54,940
4. Step 4: Simplify right side
   35,487.50x = 3,018,403,600
5. Step 5: Solve for x
   x = 3,018,403,600/35,487.50
6. Step 6: Final answer
   x = 85,055.40