Finding the Third Proportional to 30,840.50 and 46,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,840.50 : 46,136.50 = 46,136.50 : x
2. Step 2: Convert to fraction form
   30,840.50/46,136.50 = 46,136.50/x
3. Step 3: Cross multiply
   30,840.50x = 46,136.50 × 46,136.50
4. Step 4: Simplify right side
   30,840.50x = 2,128,576,632.25
5. Step 5: Solve for x
   x = 2,128,576,632.25/30,840.50
6. Step 6: Final answer
   x = 69,018.88