Finding the Third Proportional to 284,113.50 and 612,507

Step by Step Solution

1. Step 1: Write the proportion equation
   284,113.50 : 612,507 = 612,507 : x
2. Step 2: Convert to fraction form
   284,113.50/612,507 = 612,507/x
3. Step 3: Cross multiply
   284,113.50x = 612,507 × 612,507
4. Step 4: Simplify right side
   284,113.50x = 375,164,825,049
5. Step 5: Solve for x
   x = 375,164,825,049/284,113.50
6. Step 6: Final answer
   x = 1,320,475.18