Finding the Third Proportional to 851,430 and 1,309,098

Step by Step Solution

1. Step 1: Write the proportion equation
   851,430 : 1,309,098 = 1,309,098 : x
2. Step 2: Convert to fraction form
   851,430/1,309,098 = 1,309,098/x
3. Step 3: Cross multiply
   851,430x = 1,309,098 × 1,309,098
4. Step 4: Simplify right side
   851,430x = 1,713,737,573,604
5. Step 5: Solve for x
   x = 1,713,737,573,604/851,430
6. Step 6: Final answer
   x = 2,012,775.65