Finding the Third Proportional to 39,987.75 and 92,572.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,987.75 : 92,572.13 = 92,572.13 : x
2. Step 2: Convert to fraction form
   39,987.75/92,572.13 = 92,572.13/x
3. Step 3: Cross multiply
   39,987.75x = 92,572.13 × 92,572.13
4. Step 4: Simplify right side
   39,987.75x = 8,569,598,327.02
5. Step 5: Solve for x
   x = 8,569,598,327.02/39,987.75
6. Step 6: Final answer
   x = 214,305.59