Finding the Third Proportional to 30,388.50 and 45,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,388.50 : 45,988.50 = 45,988.50 : x
2. Step 2: Convert to fraction form
   30,388.50/45,988.50 = 45,988.50/x
3. Step 3: Cross multiply
   30,388.50x = 45,988.50 × 45,988.50
4. Step 4: Simplify right side
   30,388.50x = 2,114,942,132.25
5. Step 5: Solve for x
   x = 2,114,942,132.25/30,388.50
6. Step 6: Final answer
   x = 69,596.79