Finding the Third Proportional to 60,085.50 and 139,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,085.50 : 139,094.50 = 139,094.50 : x
2. Step 2: Convert to fraction form
   60,085.50/139,094.50 = 139,094.50/x
3. Step 3: Cross multiply
   60,085.50x = 139,094.50 × 139,094.50
4. Step 4: Simplify right side
   60,085.50x = 19,347,279,930.25
5. Step 5: Solve for x
   x = 19,347,279,930.25/60,085.50
6. Step 6: Final answer
   x = 321,995.82