Finding the Third Proportional to 570,444 and 1,221,870

Step by Step Solution

1. Step 1: Write the proportion equation
   570,444 : 1,221,870 = 1,221,870 : x
2. Step 2: Convert to fraction form
   570,444/1,221,870 = 1,221,870/x
3. Step 3: Cross multiply
   570,444x = 1,221,870 × 1,221,870
4. Step 4: Simplify right side
   570,444x = 1,492,966,296,900
5. Step 5: Solve for x
   x = 1,492,966,296,900/570,444
6. Step 6: Final answer
   x = 2,617,200.46