Finding the Third Proportional to 985,224 and 2,117,790

Step by Step Solution

1. Step 1: Write the proportion equation
   985,224 : 2,117,790 = 2,117,790 : x
2. Step 2: Convert to fraction form
   985,224/2,117,790 = 2,117,790/x
3. Step 3: Cross multiply
   985,224x = 2,117,790 × 2,117,790
4. Step 4: Simplify right side
   985,224x = 4,485,034,484,100
5. Step 5: Solve for x
   x = 4,485,034,484,100/985,224
6. Step 6: Final answer
   x = 4,552,299.26