Finding the Third Proportional to 864,468 and 1,388,966

Step by Step Solution

1. Step 1: Write the proportion equation
   864,468 : 1,388,966 = 1,388,966 : x
2. Step 2: Convert to fraction form
   864,468/1,388,966 = 1,388,966/x
3. Step 3: Cross multiply
   864,468x = 1,388,966 × 1,388,966
4. Step 4: Simplify right side
   864,468x = 1,929,226,549,156
5. Step 5: Solve for x
   x = 1,929,226,549,156/864,468
6. Step 6: Final answer
   x = 2,231,692.27