Finding the Third Proportional to 689,418 and 1,441,300

Step by Step Solution

1. Step 1: Write the proportion equation
   689,418 : 1,441,300 = 1,441,300 : x
2. Step 2: Convert to fraction form
   689,418/1,441,300 = 1,441,300/x
3. Step 3: Cross multiply
   689,418x = 1,441,300 × 1,441,300
4. Step 4: Simplify right side
   689,418x = 2,077,345,690,000
5. Step 5: Solve for x
   x = 2,077,345,690,000/689,418
6. Step 6: Final answer
   x = 3,013,187.49