Finding the Third Proportional to 862,641 and 1,876,434

Step by Step Solution

1. Step 1: Write the proportion equation
   862,641 : 1,876,434 = 1,876,434 : x
2. Step 2: Convert to fraction form
   862,641/1,876,434 = 1,876,434/x
3. Step 3: Cross multiply
   862,641x = 1,876,434 × 1,876,434
4. Step 4: Simplify right side
   862,641x = 3,521,004,556,356
5. Step 5: Solve for x
   x = 3,521,004,556,356/862,641
6. Step 6: Final answer
   x = 4,081,656.86