Finding the Third Proportional to 134,784 and 209,560.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,784 : 209,560.50 = 209,560.50 : x
2. Step 2: Convert to fraction form
   134,784/209,560.50 = 209,560.50/x
3. Step 3: Cross multiply
   134,784x = 209,560.50 × 209,560.50
4. Step 4: Simplify right side
   134,784x = 43,915,603,160.25
5. Step 5: Solve for x
   x = 43,915,603,160.25/134,784
6. Step 6: Final answer
   x = 325,822.08