Finding the Third Proportional to 35,460 and 52,490

Step by Step Solution

1. Step 1: Write the proportion equation
   35,460 : 52,490 = 52,490 : x
2. Step 2: Convert to fraction form
   35,460/52,490 = 52,490/x
3. Step 3: Cross multiply
   35,460x = 52,490 × 52,490
4. Step 4: Simplify right side
   35,460x = 2,755,200,100
5. Step 5: Solve for x
   x = 2,755,200,100/35,460
6. Step 6: Final answer
   x = 77,698.82