Finding the Third Proportional to 143,887.50 and 336,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,887.50 : 336,073.50 = 336,073.50 : x
2. Step 2: Convert to fraction form
   143,887.50/336,073.50 = 336,073.50/x
3. Step 3: Cross multiply
   143,887.50x = 336,073.50 × 336,073.50
4. Step 4: Simplify right side
   143,887.50x = 112,945,397,402.25
5. Step 5: Solve for x
   x = 112,945,397,402.25/143,887.50
6. Step 6: Final answer
   x = 784,956.28