Finding the Third Proportional to 544,978 and 1,272,910

Step by Step Solution

1. Step 1: Write the proportion equation
   544,978 : 1,272,910 = 1,272,910 : x
2. Step 2: Convert to fraction form
   544,978/1,272,910 = 1,272,910/x
3. Step 3: Cross multiply
   544,978x = 1,272,910 × 1,272,910
4. Step 4: Simplify right side
   544,978x = 1,620,299,868,100
5. Step 5: Solve for x
   x = 1,620,299,868,100/544,978
6. Step 6: Final answer
   x = 2,973,147.30