Finding the Third Proportional to 1,391,693 and 2,154,875

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,693 : 2,154,875 = 2,154,875 : x
2. Step 2: Convert to fraction form
   1,391,693/2,154,875 = 2,154,875/x
3. Step 3: Cross multiply
   1,391,693x = 2,154,875 × 2,154,875
4. Step 4: Simplify right side
   1,391,693x = 4,643,486,265,625
5. Step 5: Solve for x
   x = 4,643,486,265,625/1,391,693
6. Step 6: Final answer
   x = 3,336,573.70