Finding the Third Proportional to 464,824.50 and 718,258

Step by Step Solution

1. Step 1: Write the proportion equation
   464,824.50 : 718,258 = 718,258 : x
2. Step 2: Convert to fraction form
   464,824.50/718,258 = 718,258/x
3. Step 3: Cross multiply
   464,824.50x = 718,258 × 718,258
4. Step 4: Simplify right side
   464,824.50x = 515,894,554,564
5. Step 5: Solve for x
   x = 515,894,554,564/464,824.50
6. Step 6: Final answer
   x = 1,109,869.54