Finding the Third Proportional to 1,345,438 and 2,077,646

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,438 : 2,077,646 = 2,077,646 : x
2. Step 2: Convert to fraction form
   1,345,438/2,077,646 = 2,077,646/x
3. Step 3: Cross multiply
   1,345,438x = 2,077,646 × 2,077,646
4. Step 4: Simplify right side
   1,345,438x = 4,316,612,901,316
5. Step 5: Solve for x
   x = 4,316,612,901,316/1,345,438
6. Step 6: Final answer
   x = 3,208,332.83