Finding the Third Proportional to 63,009 and 137,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,009 : 137,089.50 = 137,089.50 : x
2. Step 2: Convert to fraction form
   63,009/137,089.50 = 137,089.50/x
3. Step 3: Cross multiply
   63,009x = 137,089.50 × 137,089.50
4. Step 4: Simplify right side
   63,009x = 18,793,531,010.25
5. Step 5: Solve for x
   x = 18,793,531,010.25/63,009
6. Step 6: Final answer
   x = 298,267.41