Finding the Third Proportional to 1,318,224 and 2,878,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318,224 : 2,878,080 = 2,878,080 : x
2. Step 2: Convert to fraction form
   1,318,224/2,878,080 = 2,878,080/x
3. Step 3: Cross multiply
   1,318,224x = 2,878,080 × 2,878,080
4. Step 4: Simplify right side
   1,318,224x = 8,283,344,486,400
5. Step 5: Solve for x
   x = 8,283,344,486,400/1,318,224
6. Step 6: Final answer
   x = 6,283,715.43