Finding the Third Proportional to 1,817,229 and 3,964,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817,229 : 3,964,536 = 3,964,536 : x
2. Step 2: Convert to fraction form
   1,817,229/3,964,536 = 3,964,536/x
3. Step 3: Cross multiply
   1,817,229x = 3,964,536 × 3,964,536
4. Step 4: Simplify right side
   1,817,229x = 15,717,545,695,296
5. Step 5: Solve for x
   x = 15,717,545,695,296/1,817,229
6. Step 6: Final answer
   x = 8,649,182.74