Finding the Third Proportional to 660,444 and 1,020,432

Step by Step Solution

1. Step 1: Write the proportion equation
   660,444 : 1,020,432 = 1,020,432 : x
2. Step 2: Convert to fraction form
   660,444/1,020,432 = 1,020,432/x
3. Step 3: Cross multiply
   660,444x = 1,020,432 × 1,020,432
4. Step 4: Simplify right side
   660,444x = 1,041,281,466,624
5. Step 5: Solve for x
   x = 1,041,281,466,624/660,444
6. Step 6: Final answer
   x = 1,576,638.54