Finding the Third Proportional to 403,076.25 and 609,150.38

Step by Step Solution

1. Step 1: Write the proportion equation
   403,076.25 : 609,150.38 = 609,150.38 : x
2. Step 2: Convert to fraction form
   403,076.25/609,150.38 = 609,150.38/x
3. Step 3: Cross multiply
   403,076.25x = 609,150.38 × 609,150.38
4. Step 4: Simplify right side
   403,076.25x = 371,064,179,362.64
5. Step 5: Solve for x
   x = 371,064,179,362.64/403,076.25
6. Step 6: Final answer
   x = 920,580.61