Finding the Third Proportional to 828,629 and 1,254,146

Step by Step Solution

1. Step 1: Write the proportion equation
   828,629 : 1,254,146 = 1,254,146 : x
2. Step 2: Convert to fraction form
   828,629/1,254,146 = 1,254,146/x
3. Step 3: Cross multiply
   828,629x = 1,254,146 × 1,254,146
4. Step 4: Simplify right side
   828,629x = 1,572,882,189,316
5. Step 5: Solve for x
   x = 1,572,882,189,316/828,629
6. Step 6: Final answer
   x = 1,898,174.20