Finding the Third Proportional to 786,074 and 1,684,288

Step by Step Solution

1. Step 1: Write the proportion equation
   786,074 : 1,684,288 = 1,684,288 : x
2. Step 2: Convert to fraction form
   786,074/1,684,288 = 1,684,288/x
3. Step 3: Cross multiply
   786,074x = 1,684,288 × 1,684,288
4. Step 4: Simplify right side
   786,074x = 2,836,826,066,944
5. Step 5: Solve for x
   x = 2,836,826,066,944/786,074
6. Step 6: Final answer
   x = 3,608,853.70