Finding the Third Proportional to 224,490 and 487,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   224,490 : 487,123.50 = 487,123.50 : x
2. Step 2: Convert to fraction form
   224,490/487,123.50 = 487,123.50/x
3. Step 3: Cross multiply
   224,490x = 487,123.50 × 487,123.50
4. Step 4: Simplify right side
   224,490x = 237,289,304,252.25
5. Step 5: Solve for x
   x = 237,289,304,252.25/224,490
6. Step 6: Final answer
   x = 1,057,015.03