Finding the Third Proportional to 298,759.50 and 653,463

Step by Step Solution

1. Step 1: Write the proportion equation
   298,759.50 : 653,463 = 653,463 : x
2. Step 2: Convert to fraction form
   298,759.50/653,463 = 653,463/x
3. Step 3: Cross multiply
   298,759.50x = 653,463 × 653,463
4. Step 4: Simplify right side
   298,759.50x = 427,013,892,369
5. Step 5: Solve for x
   x = 427,013,892,369/298,759.50
6. Step 6: Final answer
   x = 1,429,289.75