Finding the Third Proportional to 1,918,090 and 2,864,000

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,090 : 2,864,000 = 2,864,000 : x
2. Step 2: Convert to fraction form
   1,918,090/2,864,000 = 2,864,000/x
3. Step 3: Cross multiply
   1,918,090x = 2,864,000 × 2,864,000
4. Step 4: Simplify right side
   1,918,090x = 8,202,496,000,000
5. Step 5: Solve for x
   x = 8,202,496,000,000/1,918,090
6. Step 6: Final answer
   x = 4,276,387.45