Finding the Third Proportional to 1,331,116 and 2,173,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,116 : 2,173,368 = 2,173,368 : x
2. Step 2: Convert to fraction form
   1,331,116/2,173,368 = 2,173,368/x
3. Step 3: Cross multiply
   1,331,116x = 2,173,368 × 2,173,368
4. Step 4: Simplify right side
   1,331,116x = 4,723,528,463,424
5. Step 5: Solve for x
   x = 4,723,528,463,424/1,331,116
6. Step 6: Final answer
   x = 3,548,547.58