Finding the Third Proportional to 85,264.50 and 142,098.75

Step by Step Solution

1. Step 1: Write the proportion equation
   85,264.50 : 142,098.75 = 142,098.75 : x
2. Step 2: Convert to fraction form
   85,264.50/142,098.75 = 142,098.75/x
3. Step 3: Cross multiply
   85,264.50x = 142,098.75 × 142,098.75
4. Step 4: Simplify right side
   85,264.50x = 20,192,054,751.56
5. Step 5: Solve for x
   x = 20,192,054,751.56/85,264.50
6. Step 6: Final answer
   x = 236,816.67