Finding the Third Proportional to 1,172,599 and 1,858,265

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,599 : 1,858,265 = 1,858,265 : x
2. Step 2: Convert to fraction form
   1,172,599/1,858,265 = 1,858,265/x
3. Step 3: Cross multiply
   1,172,599x = 1,858,265 × 1,858,265
4. Step 4: Simplify right side
   1,172,599x = 3,453,148,810,225
5. Step 5: Solve for x
   x = 3,453,148,810,225/1,172,599
6. Step 6: Final answer
   x = 2,944,867.61