Finding the Third Proportional to 986,905 and 2,113,670

Step by Step Solution

1. Step 1: Write the proportion equation
   986,905 : 2,113,670 = 2,113,670 : x
2. Step 2: Convert to fraction form
   986,905/2,113,670 = 2,113,670/x
3. Step 3: Cross multiply
   986,905x = 2,113,670 × 2,113,670
4. Step 4: Simplify right side
   986,905x = 4,467,600,868,900
5. Step 5: Solve for x
   x = 4,467,600,868,900/986,905
6. Step 6: Final answer
   x = 4,526,880.37