Finding the Third Proportional to 40,188.38 and 85,705.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40,188.38 : 85,705.88 = 85,705.88 : x
2. Step 2: Convert to fraction form
   40,188.38/85,705.88 = 85,705.88/x
3. Step 3: Cross multiply
   40,188.38x = 85,705.88 × 85,705.88
4. Step 4: Simplify right side
   40,188.38x = 7,345,497,009.52
5. Step 5: Solve for x
   x = 7,345,497,009.52/40,188.38
6. Step 6: Final answer
   x = 182,776.66