Finding the Third Proportional to 401,850.28 and 612,196.59

Step by Step Solution

1. Step 1: Write the proportion equation
   401,850.28 : 612,196.59 = 612,196.59 : x
2. Step 2: Convert to fraction form
   401,850.28/612,196.59 = 612,196.59/x
3. Step 3: Cross multiply
   401,850.28x = 612,196.59 × 612,196.59
4. Step 4: Simplify right side
   401,850.28x = 374,784,669,399.10
5. Step 5: Solve for x
   x = 374,784,669,399.10/401,850.28
6. Step 6: Final answer
   x = 932,647.52