Finding the Third Proportional to 39,101.06 and 85,978.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,101.06 : 85,978.13 = 85,978.13 : x
2. Step 2: Convert to fraction form
   39,101.06/85,978.13 = 85,978.13/x
3. Step 3: Cross multiply
   39,101.06x = 85,978.13 × 85,978.13
4. Step 4: Simplify right side
   39,101.06x = 7,392,237,978.52
5. Step 5: Solve for x
   x = 7,392,237,978.52/39,101.06
6. Step 6: Final answer
   x = 189,054.66