Finding the Third Proportional to 869,808 and 1,799,280

Step by Step Solution

1. Step 1: Write the proportion equation
   869,808 : 1,799,280 = 1,799,280 : x
2. Step 2: Convert to fraction form
   869,808/1,799,280 = 1,799,280/x
3. Step 3: Cross multiply
   869,808x = 1,799,280 × 1,799,280
4. Step 4: Simplify right side
   869,808x = 3,237,408,518,400
5. Step 5: Solve for x
   x = 3,237,408,518,400/869,808
6. Step 6: Final answer
   x = 3,721,980.62