Finding the Third Proportional to 1,666,396 and 2,488,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,396 : 2,488,692 = 2,488,692 : x
2. Step 2: Convert to fraction form
   1,666,396/2,488,692 = 2,488,692/x
3. Step 3: Cross multiply
   1,666,396x = 2,488,692 × 2,488,692
4. Step 4: Simplify right side
   1,666,396x = 6,193,587,870,864
5. Step 5: Solve for x
   x = 6,193,587,870,864/1,666,396
6. Step 6: Final answer
   x = 3,716,756.32