Finding the Third Proportional to 639,722,224 and 982,862,494

Step by Step Solution

1. Step 1: Write the proportion equation
   639,722,224 : 982,862,494 = 982,862,494 : x
2. Step 2: Convert to fraction form
   639,722,224/982,862,494 = 982,862,494/x
3. Step 3: Cross multiply
   639,722,224x = 982,862,494 × 982,862,494
4. Step 4: Simplify right side
   639,722,224x = 966,018,682,111,900,032
5. Step 5: Solve for x
   x = 966,018,682,111,900,032/639,722,224
6. Step 6: Final answer
   x = 1,510,059,594.42