Finding the Third Proportional to 338,107.50 and 713,940

Step by Step Solution

1. Step 1: Write the proportion equation
   338,107.50 : 713,940 = 713,940 : x
2. Step 2: Convert to fraction form
   338,107.50/713,940 = 713,940/x
3. Step 3: Cross multiply
   338,107.50x = 713,940 × 713,940
4. Step 4: Simplify right side
   338,107.50x = 509,710,323,600
5. Step 5: Solve for x
   x = 509,710,323,600/338,107.50
6. Step 6: Final answer
   x = 1,507,539.24