Finding the Third Proportional to 4,022,210 and 5,626,287

Step by Step Solution

1. Step 1: Write the proportion equation
   4,022,210 : 5,626,287 = 5,626,287 : x
2. Step 2: Convert to fraction form
   4,022,210/5,626,287 = 5,626,287/x
3. Step 3: Cross multiply
   4,022,210x = 5,626,287 × 5,626,287
4. Step 4: Simplify right side
   4,022,210x = 31,655,105,406,369
5. Step 5: Solve for x
   x = 31,655,105,406,369/4,022,210
6. Step 6: Final answer
   x = 7,870,077.74