Finding the Third Proportional to 857,460 and 1,862,488

Step by Step Solution

1. Step 1: Write the proportion equation
   857,460 : 1,862,488 = 1,862,488 : x
2. Step 2: Convert to fraction form
   857,460/1,862,488 = 1,862,488/x
3. Step 3: Cross multiply
   857,460x = 1,862,488 × 1,862,488
4. Step 4: Simplify right side
   857,460x = 3,468,861,550,144
5. Step 5: Solve for x
   x = 3,468,861,550,144/857,460
6. Step 6: Final answer
   x = 4,045,508.30