Finding the Third Proportional to 42,483.38 and 99,221.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,483.38 : 99,221.63 = 99,221.63 : x
2. Step 2: Convert to fraction form
   42,483.38/99,221.63 = 99,221.63/x
3. Step 3: Cross multiply
   42,483.38x = 99,221.63 × 99,221.63
4. Step 4: Simplify right side
   42,483.38x = 9,844,930,867.64
5. Step 5: Solve for x
   x = 9,844,930,867.64/42,483.38
6. Step 6: Final answer
   x = 231,736.08