Finding the Third Proportional to 19,840.50 and 30,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,840.50 : 30,784.50 = 30,784.50 : x
2. Step 2: Convert to fraction form
   19,840.50/30,784.50 = 30,784.50/x
3. Step 3: Cross multiply
   19,840.50x = 30,784.50 × 30,784.50
4. Step 4: Simplify right side
   19,840.50x = 947,685,440.25
5. Step 5: Solve for x
   x = 947,685,440.25/19,840.50
6. Step 6: Final answer
   x = 47,765.20