Finding the Third Proportional to 59,967 and 138,841.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,967 : 138,841.50 = 138,841.50 : x
2. Step 2: Convert to fraction form
   59,967/138,841.50 = 138,841.50/x
3. Step 3: Cross multiply
   59,967x = 138,841.50 × 138,841.50
4. Step 4: Simplify right side
   59,967x = 19,276,962,122.25
5. Step 5: Solve for x
   x = 19,276,962,122.25/59,967
6. Step 6: Final answer
   x = 321,459.50