Finding the Third Proportional to 1,363,239 and 2,116,791

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363,239 : 2,116,791 = 2,116,791 : x
2. Step 2: Convert to fraction form
   1,363,239/2,116,791 = 2,116,791/x
3. Step 3: Cross multiply
   1,363,239x = 2,116,791 × 2,116,791
4. Step 4: Simplify right side
   1,363,239x = 4,480,804,137,681
5. Step 5: Solve for x
   x = 4,480,804,137,681/1,363,239
6. Step 6: Final answer
   x = 3,286,880.83