Finding the Third Proportional to 692,860 and 1,488,860

Step by Step Solution

1. Step 1: Write the proportion equation
   692,860 : 1,488,860 = 1,488,860 : x
2. Step 2: Convert to fraction form
   692,860/1,488,860 = 1,488,860/x
3. Step 3: Cross multiply
   692,860x = 1,488,860 × 1,488,860
4. Step 4: Simplify right side
   692,860x = 2,216,704,099,600
5. Step 5: Solve for x
   x = 2,216,704,099,600/692,860
6. Step 6: Final answer
   x = 3,199,353.55