Finding the Third Proportional to 683,857 and 1,488,120

Step by Step Solution

1. Step 1: Write the proportion equation
   683,857 : 1,488,120 = 1,488,120 : x
2. Step 2: Convert to fraction form
   683,857/1,488,120 = 1,488,120/x
3. Step 3: Cross multiply
   683,857x = 1,488,120 × 1,488,120
4. Step 4: Simplify right side
   683,857x = 2,214,501,134,400
5. Step 5: Solve for x
   x = 2,214,501,134,400/683,857
6. Step 6: Final answer
   x = 3,238,251.76