Finding the Third Proportional to 1,239,978 and 1,755,050

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,978 : 1,755,050 = 1,755,050 : x
2. Step 2: Convert to fraction form
   1,239,978/1,755,050 = 1,755,050/x
3. Step 3: Cross multiply
   1,239,978x = 1,755,050 × 1,755,050
4. Step 4: Simplify right side
   1,239,978x = 3,080,200,502,500
5. Step 5: Solve for x
   x = 3,080,200,502,500/1,239,978
6. Step 6: Final answer
   x = 2,484,076.74