Finding the Third Proportional to 103,438 and 150,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,438 : 150,661.50 = 150,661.50 : x
2. Step 2: Convert to fraction form
   103,438/150,661.50 = 150,661.50/x
3. Step 3: Cross multiply
   103,438x = 150,661.50 × 150,661.50
4. Step 4: Simplify right side
   103,438x = 22,698,887,582.25
5. Step 5: Solve for x
   x = 22,698,887,582.25/103,438
6. Step 6: Final answer
   x = 219,444.38