Finding the Third Proportional to 91,275.75 and 140,384.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,275.75 : 140,384.25 = 140,384.25 : x
2. Step 2: Convert to fraction form
   91,275.75/140,384.25 = 140,384.25/x
3. Step 3: Cross multiply
   91,275.75x = 140,384.25 × 140,384.25
4. Step 4: Simplify right side
   91,275.75x = 19,707,737,648.06
5. Step 5: Solve for x
   x = 19,707,737,648.06/91,275.75
6. Step 6: Final answer
   x = 215,914.28