Finding the Third Proportional to 142,024.50 and 308,187

Step by Step Solution

1. Step 1: Write the proportion equation
   142,024.50 : 308,187 = 308,187 : x
2. Step 2: Convert to fraction form
   142,024.50/308,187 = 308,187/x
3. Step 3: Cross multiply
   142,024.50x = 308,187 × 308,187
4. Step 4: Simplify right side
   142,024.50x = 94,979,226,969
5. Step 5: Solve for x
   x = 94,979,226,969/142,024.50
6. Step 6: Final answer
   x = 668,752.41