Finding the Third Proportional to 986,880 and 2,051,328

Step by Step Solution

1. Step 1: Write the proportion equation
   986,880 : 2,051,328 = 2,051,328 : x
2. Step 2: Convert to fraction form
   986,880/2,051,328 = 2,051,328/x
3. Step 3: Cross multiply
   986,880x = 2,051,328 × 2,051,328
4. Step 4: Simplify right side
   986,880x = 4,207,946,563,584
5. Step 5: Solve for x
   x = 4,207,946,563,584/986,880
6. Step 6: Final answer
   x = 4,263,888.78