Finding the Third Proportional to 298,790 and 653,522

Step by Step Solution

1. Step 1: Write the proportion equation
   298,790 : 653,522 = 653,522 : x
2. Step 2: Convert to fraction form
   298,790/653,522 = 653,522/x
3. Step 3: Cross multiply
   298,790x = 653,522 × 653,522
4. Step 4: Simplify right side
   298,790x = 427,091,004,484
5. Step 5: Solve for x
   x = 427,091,004,484/298,790
6. Step 6: Final answer
   x = 1,429,401.94