Finding the Third Proportional to 169,126.50 and 260,048

Step by Step Solution

1. Step 1: Write the proportion equation
   169,126.50 : 260,048 = 260,048 : x
2. Step 2: Convert to fraction form
   169,126.50/260,048 = 260,048/x
3. Step 3: Cross multiply
   169,126.50x = 260,048 × 260,048
4. Step 4: Simplify right side
   169,126.50x = 67,624,962,304
5. Step 5: Solve for x
   x = 67,624,962,304/169,126.50
6. Step 6: Final answer
   x = 399,848.41