Finding the Third Proportional to 869,376 and 1,843,404

Step by Step Solution

1. Step 1: Write the proportion equation
   869,376 : 1,843,404 = 1,843,404 : x
2. Step 2: Convert to fraction form
   869,376/1,843,404 = 1,843,404/x
3. Step 3: Cross multiply
   869,376x = 1,843,404 × 1,843,404
4. Step 4: Simplify right side
   869,376x = 3,398,138,307,216
5. Step 5: Solve for x
   x = 3,398,138,307,216/869,376
6. Step 6: Final answer
   x = 3,908,709.59