Finding the Third Proportional to 1,666,386 and 2,488,677

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,386 : 2,488,677 = 2,488,677 : x
2. Step 2: Convert to fraction form
   1,666,386/2,488,677 = 2,488,677/x
3. Step 3: Cross multiply
   1,666,386x = 2,488,677 × 2,488,677
4. Step 4: Simplify right side
   1,666,386x = 6,193,513,210,329
5. Step 5: Solve for x
   x = 6,193,513,210,329/1,666,386
6. Step 6: Final answer
   x = 3,716,733.82