Finding the Third Proportional to 36,064.50 and 78,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,064.50 : 78,211.50 = 78,211.50 : x
2. Step 2: Convert to fraction form
   36,064.50/78,211.50 = 78,211.50/x
3. Step 3: Cross multiply
   36,064.50x = 78,211.50 × 78,211.50
4. Step 4: Simplify right side
   36,064.50x = 6,117,038,732.25
5. Step 5: Solve for x
   x = 6,117,038,732.25/36,064.50
6. Step 6: Final answer
   x = 169,613.85