Finding the Third Proportional to 851,460 and 1,269,810

Step by Step Solution

1. Step 1: Write the proportion equation
   851,460 : 1,269,810 = 1,269,810 : x
2. Step 2: Convert to fraction form
   851,460/1,269,810 = 1,269,810/x
3. Step 3: Cross multiply
   851,460x = 1,269,810 × 1,269,810
4. Step 4: Simplify right side
   851,460x = 1,612,417,436,100
5. Step 5: Solve for x
   x = 1,612,417,436,100/851,460
6. Step 6: Final answer
   x = 1,893,708.97