Finding the Third Proportional to 42,806 and 63,972

Step by Step Solution

1. Step 1: Write the proportion equation
   42,806 : 63,972 = 63,972 : x
2. Step 2: Convert to fraction form
   42,806/63,972 = 63,972/x
3. Step 3: Cross multiply
   42,806x = 63,972 × 63,972
4. Step 4: Simplify right side
   42,806x = 4,092,416,784
5. Step 5: Solve for x
   x = 4,092,416,784/42,806
6. Step 6: Final answer
   x = 95,603.81