Finding the Third Proportional to 84,784.50 and 131,221.69

Step by Step Solution

1. Step 1: Write the proportion equation
   84,784.50 : 131,221.69 = 131,221.69 : x
2. Step 2: Convert to fraction form
   84,784.50/131,221.69 = 131,221.69/x
3. Step 3: Cross multiply
   84,784.50x = 131,221.69 × 131,221.69
4. Step 4: Simplify right side
   84,784.50x = 17,219,131,270.35
5. Step 5: Solve for x
   x = 17,219,131,270.35/84,784.50
6. Step 6: Final answer
   x = 203,092.92