Finding the Third Proportional to 42,972 and 63,648

Step by Step Solution

1. Step 1: Write the proportion equation
   42,972 : 63,648 = 63,648 : x
2. Step 2: Convert to fraction form
   42,972/63,648 = 63,648/x
3. Step 3: Cross multiply
   42,972x = 63,648 × 63,648
4. Step 4: Simplify right side
   42,972x = 4,051,067,904
5. Step 5: Solve for x
   x = 4,051,067,904/42,972
6. Step 6: Final answer
   x = 94,272.27