Finding the Third Proportional to 295,196 and 633,390

Step by Step Solution

1. Step 1: Write the proportion equation
   295,196 : 633,390 = 633,390 : x
2. Step 2: Convert to fraction form
   295,196/633,390 = 633,390/x
3. Step 3: Cross multiply
   295,196x = 633,390 × 633,390
4. Step 4: Simplify right side
   295,196x = 401,182,892,100
5. Step 5: Solve for x
   x = 401,182,892,100/295,196
6. Step 6: Final answer
   x = 1,359,039.05