Finding the Third Proportional to 291,314 and 443,052

Step by Step Solution

1. Step 1: Write the proportion equation
   291,314 : 443,052 = 443,052 : x
2. Step 2: Convert to fraction form
   291,314/443,052 = 443,052/x
3. Step 3: Cross multiply
   291,314x = 443,052 × 443,052
4. Step 4: Simplify right side
   291,314x = 196,295,074,704
5. Step 5: Solve for x
   x = 196,295,074,704/291,314
6. Step 6: Final answer
   x = 673,826.44