Finding the Third Proportional to 39,985.31 and 60,079.22

Step by Step Solution

1. Step 1: Write the proportion equation
   39,985.31 : 60,079.22 = 60,079.22 : x
2. Step 2: Convert to fraction form
   39,985.31/60,079.22 = 60,079.22/x
3. Step 3: Cross multiply
   39,985.31x = 60,079.22 × 60,079.22
4. Step 4: Simplify right side
   39,985.31x = 3,609,512,525.61
5. Step 5: Solve for x
   x = 3,609,512,525.61/39,985.31
6. Step 6: Final answer
   x = 90,270.96