Finding the Third Proportional to 851,582 and 1,859,908

Step by Step Solution

1. Step 1: Write the proportion equation
   851,582 : 1,859,908 = 1,859,908 : x
2. Step 2: Convert to fraction form
   851,582/1,859,908 = 1,859,908/x
3. Step 3: Cross multiply
   851,582x = 1,859,908 × 1,859,908
4. Step 4: Simplify right side
   851,582x = 3,459,257,768,464
5. Step 5: Solve for x
   x = 3,459,257,768,464/851,582
6. Step 6: Final answer
   x = 4,062,154.64