Finding the Third Proportional to 30,637.50 and 64,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,637.50 : 64,081.50 = 64,081.50 : x
2. Step 2: Convert to fraction form
   30,637.50/64,081.50 = 64,081.50/x
3. Step 3: Cross multiply
   30,637.50x = 64,081.50 × 64,081.50
4. Step 4: Simplify right side
   30,637.50x = 4,106,438,642.25
5. Step 5: Solve for x
   x = 4,106,438,642.25/30,637.50
6. Step 6: Final answer
   x = 134,033.09