Finding the Third Proportional to 40,644 and 63,342

Step by Step Solution

1. Step 1: Write the proportion equation
   40,644 : 63,342 = 63,342 : x
2. Step 2: Convert to fraction form
   40,644/63,342 = 63,342/x
3. Step 3: Cross multiply
   40,644x = 63,342 × 63,342
4. Step 4: Simplify right side
   40,644x = 4,012,208,964
5. Step 5: Solve for x
   x = 4,012,208,964/40,644
6. Step 6: Final answer
   x = 98,715.90