Finding the Third Proportional to 56,934 and 85,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,934 : 85,086.50 = 85,086.50 : x
2. Step 2: Convert to fraction form
   56,934/85,086.50 = 85,086.50/x
3. Step 3: Cross multiply
   56,934x = 85,086.50 × 85,086.50
4. Step 4: Simplify right side
   56,934x = 7,239,712,482.25
5. Step 5: Solve for x
   x = 7,239,712,482.25/56,934
6. Step 6: Final answer
   x = 127,159.74