Finding the Third Proportional to 338,110.50 and 713,946

Step by Step Solution

1. Step 1: Write the proportion equation
   338,110.50 : 713,946 = 713,946 : x
2. Step 2: Convert to fraction form
   338,110.50/713,946 = 713,946/x
3. Step 3: Cross multiply
   338,110.50x = 713,946 × 713,946
4. Step 4: Simplify right side
   338,110.50x = 509,718,890,916
5. Step 5: Solve for x
   x = 509,718,890,916/338,110.50
6. Step 6: Final answer
   x = 1,507,551.20