Finding the Third Proportional to 1,074,978 and 1,553,931

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,978 : 1,553,931 = 1,553,931 : x
2. Step 2: Convert to fraction form
   1,074,978/1,553,931 = 1,553,931/x
3. Step 3: Cross multiply
   1,074,978x = 1,553,931 × 1,553,931
4. Step 4: Simplify right side
   1,074,978x = 2,414,701,552,761
5. Step 5: Solve for x
   x = 2,414,701,552,761/1,074,978
6. Step 6: Final answer
   x = 2,246,279.97