Finding the Third Proportional to 2,210,712 and 4,587,600

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,712 : 4,587,600 = 4,587,600 : x
2. Step 2: Convert to fraction form
   2,210,712/4,587,600 = 4,587,600/x
3. Step 3: Cross multiply
   2,210,712x = 4,587,600 × 4,587,600
4. Step 4: Simplify right side
   2,210,712x = 21,046,073,760,000
5. Step 5: Solve for x
   x = 21,046,073,760,000/2,210,712
6. Step 6: Final answer
   x = 9,520,043.21