Finding the Third Proportional to 194,420.25 and 404,360

Step by Step Solution

1. Step 1: Write the proportion equation
   194,420.25 : 404,360 = 404,360 : x
2. Step 2: Convert to fraction form
   194,420.25/404,360 = 404,360/x
3. Step 3: Cross multiply
   194,420.25x = 404,360 × 404,360
4. Step 4: Simplify right side
   194,420.25x = 163,507,009,600
5. Step 5: Solve for x
   x = 163,507,009,600/194,420.25
6. Step 6: Final answer
   x = 840,997.84