Finding the Third Proportional to 39,400.17 and 54,207.98

Step by Step Solution

1. Step 1: Write the proportion equation
   39,400.17 : 54,207.98 = 54,207.98 : x
2. Step 2: Convert to fraction form
   39,400.17/54,207.98 = 54,207.98/x
3. Step 3: Cross multiply
   39,400.17x = 54,207.98 × 54,207.98
4. Step 4: Simplify right side
   39,400.17x = 2,938,505,570.00
5. Step 5: Solve for x
   x = 2,938,505,570.00/39,400.17
6. Step 6: Final answer
   x = 74,581.03