Finding the Third Proportional to 220,719 and 341,696

Step by Step Solution

1. Step 1: Write the proportion equation
   220,719 : 341,696 = 341,696 : x
2. Step 2: Convert to fraction form
   220,719/341,696 = 341,696/x
3. Step 3: Cross multiply
   220,719x = 341,696 × 341,696
4. Step 4: Simplify right side
   220,719x = 116,756,156,416
5. Step 5: Solve for x
   x = 116,756,156,416/220,719
6. Step 6: Final answer
   x = 528,981.00