Finding the Third Proportional to 39,182.91 and 85,877.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,182.91 : 85,877.72 = 85,877.72 : x
2. Step 2: Convert to fraction form
   39,182.91/85,877.72 = 85,877.72/x
3. Step 3: Cross multiply
   39,182.91x = 85,877.72 × 85,877.72
4. Step 4: Simplify right side
   39,182.91x = 7,374,982,577.70
5. Step 5: Solve for x
   x = 7,374,982,577.70/39,182.91
6. Step 6: Final answer
   x = 188,219.39