Finding the Third Proportional to 174,717 and 279,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,717 : 279,814.50 = 279,814.50 : x
2. Step 2: Convert to fraction form
   174,717/279,814.50 = 279,814.50/x
3. Step 3: Cross multiply
   174,717x = 279,814.50 × 279,814.50
4. Step 4: Simplify right side
   174,717x = 78,296,154,410.25
5. Step 5: Solve for x
   x = 78,296,154,410.25/174,717
6. Step 6: Final answer
   x = 448,131.29