Finding the Third Proportional to 985,238 and 2,117,818

Step by Step Solution

1. Step 1: Write the proportion equation
   985,238 : 2,117,818 = 2,117,818 : x
2. Step 2: Convert to fraction form
   985,238/2,117,818 = 2,117,818/x
3. Step 3: Cross multiply
   985,238x = 2,117,818 × 2,117,818
4. Step 4: Simplify right side
   985,238x = 4,485,153,081,124
5. Step 5: Solve for x
   x = 4,485,153,081,124/985,238
6. Step 6: Final answer
   x = 4,552,354.94