Finding the Third Proportional to 42,175.69 and 62,921.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,175.69 : 62,921.81 = 62,921.81 : x
2. Step 2: Convert to fraction form
   42,175.69/62,921.81 = 62,921.81/x
3. Step 3: Cross multiply
   42,175.69x = 62,921.81 × 62,921.81
4. Step 4: Simplify right side
   42,175.69x = 3,959,154,488.29
5. Step 5: Solve for x
   x = 3,959,154,488.29/42,175.69
6. Step 6: Final answer
   x = 93,872.91