Finding the Third Proportional to 284,442 and 614,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,442 : 614,434.50 = 614,434.50 : x
2. Step 2: Convert to fraction form
   284,442/614,434.50 = 614,434.50/x
3. Step 3: Cross multiply
   284,442x = 614,434.50 × 614,434.50
4. Step 4: Simplify right side
   284,442x = 377,529,754,790.25
5. Step 5: Solve for x
   x = 377,529,754,790.25/284,442
6. Step 6: Final answer
   x = 1,327,264.45