Finding the Third Proportional to 42,422 and 63,729

Step by Step Solution

1. Step 1: Write the proportion equation
   42,422 : 63,729 = 63,729 : x
2. Step 2: Convert to fraction form
   42,422/63,729 = 63,729/x
3. Step 3: Cross multiply
   42,422x = 63,729 × 63,729
4. Step 4: Simplify right side
   42,422x = 4,061,385,441
5. Step 5: Solve for x
   x = 4,061,385,441/42,422
6. Step 6: Final answer
   x = 95,737.72