Finding the Third Proportional to 34,542 and 52,490

Step by Step Solution

1. Step 1: Write the proportion equation
   34,542 : 52,490 = 52,490 : x
2. Step 2: Convert to fraction form
   34,542/52,490 = 52,490/x
3. Step 3: Cross multiply
   34,542x = 52,490 × 52,490
4. Step 4: Simplify right side
   34,542x = 2,755,200,100
5. Step 5: Solve for x
   x = 2,755,200,100/34,542
6. Step 6: Final answer
   x = 79,763.77