Finding the Third Proportional to 142,407.50 and 336,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,407.50 : 336,167.50 = 336,167.50 : x
2. Step 2: Convert to fraction form
   142,407.50/336,167.50 = 336,167.50/x
3. Step 3: Cross multiply
   142,407.50x = 336,167.50 × 336,167.50
4. Step 4: Simplify right side
   142,407.50x = 113,008,588,056.25
5. Step 5: Solve for x
   x = 113,008,588,056.25/142,407.50
6. Step 6: Final answer
   x = 793,557.84