Finding the Third Proportional to 1,434,360 and 3,121,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,360 : 3,121,072 = 3,121,072 : x
2. Step 2: Convert to fraction form
   1,434,360/3,121,072 = 3,121,072/x
3. Step 3: Cross multiply
   1,434,360x = 3,121,072 × 3,121,072
4. Step 4: Simplify right side
   1,434,360x = 9,741,090,429,184
5. Step 5: Solve for x
   x = 9,741,090,429,184/1,434,360
6. Step 6: Final answer
   x = 6,791,245.17