Finding the Third Proportional to 1,230,288 and 1,655,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230,288 : 1,655,424 = 1,655,424 : x
2. Step 2: Convert to fraction form
   1,230,288/1,655,424 = 1,655,424/x
3. Step 3: Cross multiply
   1,230,288x = 1,655,424 × 1,655,424
4. Step 4: Simplify right side
   1,230,288x = 2,740,428,619,776
5. Step 5: Solve for x
   x = 2,740,428,619,776/1,230,288
6. Step 6: Final answer
   x = 2,227,469.19