Finding the Third Proportional to 64,819.50 and 99,996

Step by Step Solution

1. Step 1: Write the proportion equation
   64,819.50 : 99,996 = 99,996 : x
2. Step 2: Convert to fraction form
   64,819.50/99,996 = 99,996/x
3. Step 3: Cross multiply
   64,819.50x = 99,996 × 99,996
4. Step 4: Simplify right side
   64,819.50x = 9,999,200,016
5. Step 5: Solve for x
   x = 9,999,200,016/64,819.50
6. Step 6: Final answer
   x = 154,262.22