Finding the Third Proportional to 323,730 and 479,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   323,730 : 479,314.50 = 479,314.50 : x
2. Step 2: Convert to fraction form
   323,730/479,314.50 = 479,314.50/x
3. Step 3: Cross multiply
   323,730x = 479,314.50 × 479,314.50
4. Step 4: Simplify right side
   323,730x = 229,742,389,910.25
5. Step 5: Solve for x
   x = 229,742,389,910.25/323,730
6. Step 6: Final answer
   x = 709,672.84