Finding the Third Proportional to 60,180 and 84,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,180 : 84,131.50 = 84,131.50 : x
2. Step 2: Convert to fraction form
   60,180/84,131.50 = 84,131.50/x
3. Step 3: Cross multiply
   60,180x = 84,131.50 × 84,131.50
4. Step 4: Simplify right side
   60,180x = 7,078,109,292.25
5. Step 5: Solve for x
   x = 7,078,109,292.25/60,180
6. Step 6: Final answer
   x = 117,615.64