Finding the Third Proportional to 2,220,546 and 4,842,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,546 : 4,842,680 = 4,842,680 : x
2. Step 2: Convert to fraction form
   2,220,546/4,842,680 = 4,842,680/x
3. Step 3: Cross multiply
   2,220,546x = 4,842,680 × 4,842,680
4. Step 4: Simplify right side
   2,220,546x = 23,451,549,582,400
5. Step 5: Solve for x
   x = 23,451,549,582,400/2,220,546
6. Step 6: Final answer
   x = 10,561,163.60