Finding the Third Proportional to 30,201 and 64,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,201 : 64,557.50 = 64,557.50 : x
2. Step 2: Convert to fraction form
   30,201/64,557.50 = 64,557.50/x
3. Step 3: Cross multiply
   30,201x = 64,557.50 × 64,557.50
4. Step 4: Simplify right side
   30,201x = 4,167,670,806.25
5. Step 5: Solve for x
   x = 4,167,670,806.25/30,201
6. Step 6: Final answer
   x = 137,997.78