Finding the Third Proportional to 1,369,499 and 2,129,003

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,499 : 2,129,003 = 2,129,003 : x
2. Step 2: Convert to fraction form
   1,369,499/2,129,003 = 2,129,003/x
3. Step 3: Cross multiply
   1,369,499x = 2,129,003 × 2,129,003
4. Step 4: Simplify right side
   1,369,499x = 4,532,653,774,009
5. Step 5: Solve for x
   x = 4,532,653,774,009/1,369,499
6. Step 6: Final answer
   x = 3,309,716.75