Finding the Third Proportional to 851,490 and 1,309,194

Step by Step Solution

1. Step 1: Write the proportion equation
   851,490 : 1,309,194 = 1,309,194 : x
2. Step 2: Convert to fraction form
   851,490/1,309,194 = 1,309,194/x
3. Step 3: Cross multiply
   851,490x = 1,309,194 × 1,309,194
4. Step 4: Simplify right side
   851,490x = 1,713,988,929,636
5. Step 5: Solve for x
   x = 1,713,988,929,636/851,490
6. Step 6: Final answer
   x = 2,012,929.02