Finding the Third Proportional to 64,633.50 and 137,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,633.50 : 137,092.50 = 137,092.50 : x
2. Step 2: Convert to fraction form
   64,633.50/137,092.50 = 137,092.50/x
3. Step 3: Cross multiply
   64,633.50x = 137,092.50 × 137,092.50
4. Step 4: Simplify right side
   64,633.50x = 18,794,353,556.25
5. Step 5: Solve for x
   x = 18,794,353,556.25/64,633.50
6. Step 6: Final answer
   x = 290,783.47