Finding the Third Proportional to 40,312.69 and 86,275.13

Step by Step Solution

1. Step 1: Write the proportion equation
   40,312.69 : 86,275.13 = 86,275.13 : x
2. Step 2: Convert to fraction form
   40,312.69/86,275.13 = 86,275.13/x
3. Step 3: Cross multiply
   40,312.69x = 86,275.13 × 86,275.13
4. Step 4: Simplify right side
   40,312.69x = 7,443,397,193.77
5. Step 5: Solve for x
   x = 7,443,397,193.77/40,312.69
6. Step 6: Final answer
   x = 184,641.55