Finding the Third Proportional to 847,026 and 1,272,419

Step by Step Solution

1. Step 1: Write the proportion equation
   847,026 : 1,272,419 = 1,272,419 : x
2. Step 2: Convert to fraction form
   847,026/1,272,419 = 1,272,419/x
3. Step 3: Cross multiply
   847,026x = 1,272,419 × 1,272,419
4. Step 4: Simplify right side
   847,026x = 1,619,050,111,561
5. Step 5: Solve for x
   x = 1,619,050,111,561/847,026
6. Step 6: Final answer
   x = 1,911,452.67