Finding the Third Proportional to 789,172 and 1,282,146

Step by Step Solution

1. Step 1: Write the proportion equation
   789,172 : 1,282,146 = 1,282,146 : x
2. Step 2: Convert to fraction form
   789,172/1,282,146 = 1,282,146/x
3. Step 3: Cross multiply
   789,172x = 1,282,146 × 1,282,146
4. Step 4: Simplify right side
   789,172x = 1,643,898,365,316
5. Step 5: Solve for x
   x = 1,643,898,365,316/789,172
6. Step 6: Final answer
   x = 2,083,067.27