Finding the Third Proportional to 41,689.69 and 59,557.78

Step by Step Solution

1. Step 1: Write the proportion equation
   41,689.69 : 59,557.78 = 59,557.78 : x
2. Step 2: Convert to fraction form
   41,689.69/59,557.78 = 59,557.78/x
3. Step 3: Cross multiply
   41,689.69x = 59,557.78 × 59,557.78
4. Step 4: Simplify right side
   41,689.69x = 3,547,129,307.42
5. Step 5: Solve for x
   x = 3,547,129,307.42/41,689.69
6. Step 6: Final answer
   x = 85,084.09