Finding the Third Proportional to 1,203,486 and 2,643,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,486 : 2,643,156 = 2,643,156 : x
2. Step 2: Convert to fraction form
   1,203,486/2,643,156 = 2,643,156/x
3. Step 3: Cross multiply
   1,203,486x = 2,643,156 × 2,643,156
4. Step 4: Simplify right side
   1,203,486x = 6,986,273,640,336
5. Step 5: Solve for x
   x = 6,986,273,640,336/1,203,486
6. Step 6: Final answer
   x = 5,805,031.08