Finding the Third Proportional to 103,817 and 148,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,817 : 148,456.50 = 148,456.50 : x
2. Step 2: Convert to fraction form
   103,817/148,456.50 = 148,456.50/x
3. Step 3: Cross multiply
   103,817x = 148,456.50 × 148,456.50
4. Step 4: Simplify right side
   103,817x = 22,039,332,392.25
5. Step 5: Solve for x
   x = 22,039,332,392.25/103,817
6. Step 6: Final answer
   x = 212,290.21