Finding the Third Proportional to 986,692 and 2,108,168

Step by Step Solution

1. Step 1: Write the proportion equation
   986,692 : 2,108,168 = 2,108,168 : x
2. Step 2: Convert to fraction form
   986,692/2,108,168 = 2,108,168/x
3. Step 3: Cross multiply
   986,692x = 2,108,168 × 2,108,168
4. Step 4: Simplify right side
   986,692x = 4,444,372,316,224
5. Step 5: Solve for x
   x = 4,444,372,316,224/986,692
6. Step 6: Final answer
   x = 4,504,315.75