Finding the Third Proportional to 985,908 and 1,587,288

Step by Step Solution

1. Step 1: Write the proportion equation
   985,908 : 1,587,288 = 1,587,288 : x
2. Step 2: Convert to fraction form
   985,908/1,587,288 = 1,587,288/x
3. Step 3: Cross multiply
   985,908x = 1,587,288 × 1,587,288
4. Step 4: Simplify right side
   985,908x = 2,519,483,194,944
5. Step 5: Solve for x
   x = 2,519,483,194,944/985,908
6. Step 6: Final answer
   x = 2,555,495.23