Finding the Third Proportional to 85,127 and 134,729.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,127 : 134,729.50 = 134,729.50 : x
2. Step 2: Convert to fraction form
   85,127/134,729.50 = 134,729.50/x
3. Step 3: Cross multiply
   85,127x = 134,729.50 × 134,729.50
4. Step 4: Simplify right side
   85,127x = 18,152,038,170.25
5. Step 5: Solve for x
   x = 18,152,038,170.25/85,127
6. Step 6: Final answer
   x = 213,234.79