Finding the Third Proportional to 336,899.25 and 738,396

Step by Step Solution

1. Step 1: Write the proportion equation
   336,899.25 : 738,396 = 738,396 : x
2. Step 2: Convert to fraction form
   336,899.25/738,396 = 738,396/x
3. Step 3: Cross multiply
   336,899.25x = 738,396 × 738,396
4. Step 4: Simplify right side
   336,899.25x = 545,228,652,816
5. Step 5: Solve for x
   x = 545,228,652,816/336,899.25
6. Step 6: Final answer
   x = 1,618,373.01