Finding the Third Proportional to 1,382,780 and 2,074,207

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382,780 : 2,074,207 = 2,074,207 : x
2. Step 2: Convert to fraction form
   1,382,780/2,074,207 = 2,074,207/x
3. Step 3: Cross multiply
   1,382,780x = 2,074,207 × 2,074,207
4. Step 4: Simplify right side
   1,382,780x = 4,302,334,678,849
5. Step 5: Solve for x
   x = 4,302,334,678,849/1,382,780
6. Step 6: Final answer
   x = 3,111,366.00