Finding the Third Proportional to 1,397,788 and 2,094,486

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,788 : 2,094,486 = 2,094,486 : x
2. Step 2: Convert to fraction form
   1,397,788/2,094,486 = 2,094,486/x
3. Step 3: Cross multiply
   1,397,788x = 2,094,486 × 2,094,486
4. Step 4: Simplify right side
   1,397,788x = 4,386,871,604,196
5. Step 5: Solve for x
   x = 4,386,871,604,196/1,397,788
6. Step 6: Final answer
   x = 3,138,438.45