Finding the Third Proportional to 985,322 and 2,117,980

Step by Step Solution

1. Step 1: Write the proportion equation
   985,322 : 2,117,980 = 2,117,980 : x
2. Step 2: Convert to fraction form
   985,322/2,117,980 = 2,117,980/x
3. Step 3: Cross multiply
   985,322x = 2,117,980 × 2,117,980
4. Step 4: Simplify right side
   985,322x = 4,485,839,280,400
5. Step 5: Solve for x
   x = 4,485,839,280,400/985,322
6. Step 6: Final answer
   x = 4,552,663.27