Finding the Third Proportional to 1,926,978 and 4,197,132

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926,978 : 4,197,132 = 4,197,132 : x
2. Step 2: Convert to fraction form
   1,926,978/4,197,132 = 4,197,132/x
3. Step 3: Cross multiply
   1,926,978x = 4,197,132 × 4,197,132
4. Step 4: Simplify right side
   1,926,978x = 17,615,917,025,424
5. Step 5: Solve for x
   x = 17,615,917,025,424/1,926,978
6. Step 6: Final answer
   x = 9,141,732.30