Finding the Third Proportional to 1,434,375 and 3,121,119

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,375 : 3,121,119 = 3,121,119 : x
2. Step 2: Convert to fraction form
   1,434,375/3,121,119 = 3,121,119/x
3. Step 3: Cross multiply
   1,434,375x = 3,121,119 × 3,121,119
4. Step 4: Simplify right side
   1,434,375x = 9,741,383,812,161
5. Step 5: Solve for x
   x = 9,741,383,812,161/1,434,375
6. Step 6: Final answer
   x = 6,791,378.69