Finding the Third Proportional to 42,784.50 and 99,963.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,784.50 : 99,963.75 = 99,963.75 : x
2. Step 2: Convert to fraction form
   42,784.50/99,963.75 = 99,963.75/x
3. Step 3: Cross multiply
   42,784.50x = 99,963.75 × 99,963.75
4. Step 4: Simplify right side
   42,784.50x = 9,992,751,314.06
5. Step 5: Solve for x
   x = 9,992,751,314.06/42,784.50
6. Step 6: Final answer
   x = 233,560.08