Finding the Third Proportional to 16,490 and 25,572

Step by Step Solution

1. Step 1: Write the proportion equation
   16,490 : 25,572 = 25,572 : x
2. Step 2: Convert to fraction form
   16,490/25,572 = 25,572/x
3. Step 3: Cross multiply
   16,490x = 25,572 × 25,572
4. Step 4: Simplify right side
   16,490x = 653,927,184
5. Step 5: Solve for x
   x = 653,927,184/16,490
6. Step 6: Final answer
   x = 39,655.98