Finding the Third Proportional to 1,238,448 and 2,510,170

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,448 : 2,510,170 = 2,510,170 : x
2. Step 2: Convert to fraction form
   1,238,448/2,510,170 = 2,510,170/x
3. Step 3: Cross multiply
   1,238,448x = 2,510,170 × 2,510,170
4. Step 4: Simplify right side
   1,238,448x = 6,300,953,428,900
5. Step 5: Solve for x
   x = 6,300,953,428,900/1,238,448
6. Step 6: Final answer
   x = 5,087,781.99