Finding the Third Proportional to 849,143 and 1,363,521

Step by Step Solution

1. Step 1: Write the proportion equation
   849,143 : 1,363,521 = 1,363,521 : x
2. Step 2: Convert to fraction form
   849,143/1,363,521 = 1,363,521/x
3. Step 3: Cross multiply
   849,143x = 1,363,521 × 1,363,521
4. Step 4: Simplify right side
   849,143x = 1,859,189,517,441
5. Step 5: Solve for x
   x = 1,859,189,517,441/849,143
6. Step 6: Final answer
   x = 2,189,489.31