Finding the Third Proportional to 60,089.25 and 139,102.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,089.25 : 139,102.50 = 139,102.50 : x
2. Step 2: Convert to fraction form
   60,089.25/139,102.50 = 139,102.50/x
3. Step 3: Cross multiply
   60,089.25x = 139,102.50 × 139,102.50
4. Step 4: Simplify right side
   60,089.25x = 19,349,505,506.25
5. Step 5: Solve for x
   x = 19,349,505,506.25/60,089.25
6. Step 6: Final answer
   x = 322,012.76