Finding the Third Proportional to 401,760.38 and 607,824.56

Step by Step Solution

1. Step 1: Write the proportion equation
   401,760.38 : 607,824.56 = 607,824.56 : x
2. Step 2: Convert to fraction form
   401,760.38/607,824.56 = 607,824.56/x
3. Step 3: Cross multiply
   401,760.38x = 607,824.56 × 607,824.56
4. Step 4: Simplify right side
   401,760.38x = 369,450,698,778.32
5. Step 5: Solve for x
   x = 369,450,698,778.32/401,760.38
6. Step 6: Final answer
   x = 919,579.73