Finding the Third Proportional to 298,110 and 443,113

Step by Step Solution

1. Step 1: Write the proportion equation
   298,110 : 443,113 = 443,113 : x
2. Step 2: Convert to fraction form
   298,110/443,113 = 443,113/x
3. Step 3: Cross multiply
   298,110x = 443,113 × 443,113
4. Step 4: Simplify right side
   298,110x = 196,349,130,769
5. Step 5: Solve for x
   x = 196,349,130,769/298,110
6. Step 6: Final answer
   x = 658,646.58