Finding the Third Proportional to 614,380.50 and 921,570

Step by Step Solution

1. Step 1: Write the proportion equation
   614,380.50 : 921,570 = 921,570 : x
2. Step 2: Convert to fraction form
   614,380.50/921,570 = 921,570/x
3. Step 3: Cross multiply
   614,380.50x = 921,570 × 921,570
4. Step 4: Simplify right side
   614,380.50x = 849,291,264,900
5. Step 5: Solve for x
   x = 849,291,264,900/614,380.50
6. Step 6: Final answer
   x = 1,382,353.88