Finding the Third Proportional to 510,058 and 787,032

Step by Step Solution

1. Step 1: Write the proportion equation
   510,058 : 787,032 = 787,032 : x
2. Step 2: Convert to fraction form
   510,058/787,032 = 787,032/x
3. Step 3: Cross multiply
   510,058x = 787,032 × 787,032
4. Step 4: Simplify right side
   510,058x = 619,419,369,024
5. Step 5: Solve for x
   x = 619,419,369,024/510,058
6. Step 6: Final answer
   x = 1,214,409.67