Finding the Third Proportional to 1,077,812 and 1,661,646

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,812 : 1,661,646 = 1,661,646 : x
2. Step 2: Convert to fraction form
   1,077,812/1,661,646 = 1,661,646/x
3. Step 3: Cross multiply
   1,077,812x = 1,661,646 × 1,661,646
4. Step 4: Simplify right side
   1,077,812x = 2,761,067,429,316
5. Step 5: Solve for x
   x = 2,761,067,429,316/1,077,812
6. Step 6: Final answer
   x = 2,561,733.80