Finding the Third Proportional to 1,200,348 and 1,858,029

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,348 : 1,858,029 = 1,858,029 : x
2. Step 2: Convert to fraction form
   1,200,348/1,858,029 = 1,858,029/x
3. Step 3: Cross multiply
   1,200,348x = 1,858,029 × 1,858,029
4. Step 4: Simplify right side
   1,200,348x = 3,452,271,764,841
5. Step 5: Solve for x
   x = 3,452,271,764,841/1,200,348
6. Step 6: Final answer
   x = 2,876,059.08