Finding the Third Proportional to 93,721 and 143,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,721 : 143,365.50 = 143,365.50 : x
2. Step 2: Convert to fraction form
   93,721/143,365.50 = 143,365.50/x
3. Step 3: Cross multiply
   93,721x = 143,365.50 × 143,365.50
4. Step 4: Simplify right side
   93,721x = 20,553,666,590.25
5. Step 5: Solve for x
   x = 20,553,666,590.25/93,721
6. Step 6: Final answer
   x = 219,306.95