Finding the Third Proportional to 42,792 and 61,956

Step by Step Solution

1. Step 1: Write the proportion equation
   42,792 : 61,956 = 61,956 : x
2. Step 2: Convert to fraction form
   42,792/61,956 = 61,956/x
3. Step 3: Cross multiply
   42,792x = 61,956 × 61,956
4. Step 4: Simplify right side
   42,792x = 3,838,545,936
5. Step 5: Solve for x
   x = 3,838,545,936/42,792
6. Step 6: Final answer
   x = 89,702.42