Finding the Third Proportional to 857,516 and 1,828,942

Step by Step Solution

1. Step 1: Write the proportion equation
   857,516 : 1,828,942 = 1,828,942 : x
2. Step 2: Convert to fraction form
   857,516/1,828,942 = 1,828,942/x
3. Step 3: Cross multiply
   857,516x = 1,828,942 × 1,828,942
4. Step 4: Simplify right side
   857,516x = 3,345,028,839,364
5. Step 5: Solve for x
   x = 3,345,028,839,364/857,516
6. Step 6: Final answer
   x = 3,900,835.48