Finding the Third Proportional to 143,355.50 and 334,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,355.50 : 334,808.50 = 334,808.50 : x
2. Step 2: Convert to fraction form
   143,355.50/334,808.50 = 334,808.50/x
3. Step 3: Cross multiply
   143,355.50x = 334,808.50 × 334,808.50
4. Step 4: Simplify right side
   143,355.50x = 112,096,731,672.25
5. Step 5: Solve for x
   x = 112,096,731,672.25/143,355.50
6. Step 6: Final answer
   x = 781,949.29