Finding the Third Proportional to 1,868,670 and 2,808,541

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,670 : 2,808,541 = 2,808,541 : x
2. Step 2: Convert to fraction form
   1,868,670/2,808,541 = 2,808,541/x
3. Step 3: Cross multiply
   1,868,670x = 2,808,541 × 2,808,541
4. Step 4: Simplify right side
   1,868,670x = 7,887,902,548,681
5. Step 5: Solve for x
   x = 7,887,902,548,681/1,868,670
6. Step 6: Final answer
   x = 4,221,131.90