Finding the Third Proportional to 1,817,281 and 3,964,613

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817,281 : 3,964,613 = 3,964,613 : x
2. Step 2: Convert to fraction form
   1,817,281/3,964,613 = 3,964,613/x
3. Step 3: Cross multiply
   1,817,281x = 3,964,613 × 3,964,613
4. Step 4: Simplify right side
   1,817,281x = 15,718,156,239,769
5. Step 5: Solve for x
   x = 15,718,156,239,769/1,817,281
6. Step 6: Final answer
   x = 8,649,271.21