Finding the Third Proportional to 1,036,905 and 2,156,581

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,905 : 2,156,581 = 2,156,581 : x
2. Step 2: Convert to fraction form
   1,036,905/2,156,581 = 2,156,581/x
3. Step 3: Cross multiply
   1,036,905x = 2,156,581 × 2,156,581
4. Step 4: Simplify right side
   1,036,905x = 4,650,841,609,561
5. Step 5: Solve for x
   x = 4,650,841,609,561/1,036,905
6. Step 6: Final answer
   x = 4,485,311.20