Finding the Third Proportional to 986,730 and 2,157,996

Step by Step Solution

1. Step 1: Write the proportion equation
   986,730 : 2,157,996 = 2,157,996 : x
2. Step 2: Convert to fraction form
   986,730/2,157,996 = 2,157,996/x
3. Step 3: Cross multiply
   986,730x = 2,157,996 × 2,157,996
4. Step 4: Simplify right side
   986,730x = 4,656,946,736,016
5. Step 5: Solve for x
   x = 4,656,946,736,016/986,730
6. Step 6: Final answer
   x = 4,719,575.50