Finding the Third Proportional to 145,221 and 233,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,221 : 233,953.50 = 233,953.50 : x
2. Step 2: Convert to fraction form
   145,221/233,953.50 = 233,953.50/x
3. Step 3: Cross multiply
   145,221x = 233,953.50 × 233,953.50
4. Step 4: Simplify right side
   145,221x = 54,734,240,162.25
5. Step 5: Solve for x
   x = 54,734,240,162.25/145,221
6. Step 6: Final answer
   x = 376,903.07