Finding the Third Proportional to 828,630 and 1,254,147

Step by Step Solution

1. Step 1: Write the proportion equation
   828,630 : 1,254,147 = 1,254,147 : x
2. Step 2: Convert to fraction form
   828,630/1,254,147 = 1,254,147/x
3. Step 3: Cross multiply
   828,630x = 1,254,147 × 1,254,147
4. Step 4: Simplify right side
   828,630x = 1,572,884,697,609
5. Step 5: Solve for x
   x = 1,572,884,697,609/828,630
6. Step 6: Final answer
   x = 1,898,174.94