Finding the Third Proportional to 1,873,414 and 4,420,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873,414 : 4,420,978 = 4,420,978 : x
2. Step 2: Convert to fraction form
   1,873,414/4,420,978 = 4,420,978/x
3. Step 3: Cross multiply
   1,873,414x = 4,420,978 × 4,420,978
4. Step 4: Simplify right side
   1,873,414x = 19,545,046,476,484
5. Step 5: Solve for x
   x = 19,545,046,476,484/1,873,414
6. Step 6: Final answer
   x = 10,432,849.59