Finding the Third Proportional to 1,021,360 and 2,221,730

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,360 : 2,221,730 = 2,221,730 : x
2. Step 2: Convert to fraction form
   1,021,360/2,221,730 = 2,221,730/x
3. Step 3: Cross multiply
   1,021,360x = 2,221,730 × 2,221,730
4. Step 4: Simplify right side
   1,021,360x = 4,936,084,192,900
5. Step 5: Solve for x
   x = 4,936,084,192,900/1,021,360
6. Step 6: Final answer
   x = 4,832,854.42