Finding the Third Proportional to 1,369,648 and 2,129,076

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,648 : 2,129,076 = 2,129,076 : x
2. Step 2: Convert to fraction form
   1,369,648/2,129,076 = 2,129,076/x
3. Step 3: Cross multiply
   1,369,648x = 2,129,076 × 2,129,076
4. Step 4: Simplify right side
   1,369,648x = 4,532,964,613,776
5. Step 5: Solve for x
   x = 4,532,964,613,776/1,369,648
6. Step 6: Final answer
   x = 3,309,583.64