Finding the Third Proportional to 851,467 and 1,309,145

Step by Step Solution

1. Step 1: Write the proportion equation
   851,467 : 1,309,145 = 1,309,145 : x
2. Step 2: Convert to fraction form
   851,467/1,309,145 = 1,309,145/x
3. Step 3: Cross multiply
   851,467x = 1,309,145 × 1,309,145
4. Step 4: Simplify right side
   851,467x = 1,713,860,631,025
5. Step 5: Solve for x
   x = 1,713,860,631,025/851,467
6. Step 6: Final answer
   x = 2,012,832.71