Finding the Third Proportional to 291,650 and 443,374

Step by Step Solution

1. Step 1: Write the proportion equation
   291,650 : 443,374 = 443,374 : x
2. Step 2: Convert to fraction form
   291,650/443,374 = 443,374/x
3. Step 3: Cross multiply
   291,650x = 443,374 × 443,374
4. Step 4: Simplify right side
   291,650x = 196,580,503,876
5. Step 5: Solve for x
   x = 196,580,503,876/291,650
6. Step 6: Final answer
   x = 674,028.81