Finding the Third Proportional to 2,170,572 and 4,714,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,572 : 4,714,680 = 4,714,680 : x
2. Step 2: Convert to fraction form
   2,170,572/4,714,680 = 4,714,680/x
3. Step 3: Cross multiply
   2,170,572x = 4,714,680 × 4,714,680
4. Step 4: Simplify right side
   2,170,572x = 22,228,207,502,400
5. Step 5: Solve for x
   x = 22,228,207,502,400/2,170,572
6. Step 6: Final answer
   x = 10,240,714.20