Finding the Third Proportional to 143,329 and 334,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,329 : 334,697.50 = 334,697.50 : x
2. Step 2: Convert to fraction form
   143,329/334,697.50 = 334,697.50/x
3. Step 3: Cross multiply
   143,329x = 334,697.50 × 334,697.50
4. Step 4: Simplify right side
   143,329x = 112,022,416,506.25
5. Step 5: Solve for x
   x = 112,022,416,506.25/143,329
6. Step 6: Final answer
   x = 781,575.37