Finding the Third Proportional to 30,563.50 and 63,913.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,563.50 : 63,913.75 = 63,913.75 : x
2. Step 2: Convert to fraction form
   30,563.50/63,913.75 = 63,913.75/x
3. Step 3: Cross multiply
   30,563.50x = 63,913.75 × 63,913.75
4. Step 4: Simplify right side
   30,563.50x = 4,084,967,439.06
5. Step 5: Solve for x
   x = 4,084,967,439.06/30,563.50
6. Step 6: Final answer
   x = 133,655.09