Finding the Third Proportional to 869,840 and 1,799,368

Step by Step Solution

1. Step 1: Write the proportion equation
   869,840 : 1,799,368 = 1,799,368 : x
2. Step 2: Convert to fraction form
   869,840/1,799,368 = 1,799,368/x
3. Step 3: Cross multiply
   869,840x = 1,799,368 × 1,799,368
4. Step 4: Simplify right side
   869,840x = 3,237,725,199,424
5. Step 5: Solve for x
   x = 3,237,725,199,424/869,840
6. Step 6: Final answer
   x = 3,722,207.76