Finding the Third Proportional to 65,392.50 and 138,633

Step by Step Solution

1. Step 1: Write the proportion equation
   65,392.50 : 138,633 = 138,633 : x
2. Step 2: Convert to fraction form
   65,392.50/138,633 = 138,633/x
3. Step 3: Cross multiply
   65,392.50x = 138,633 × 138,633
4. Step 4: Simplify right side
   65,392.50x = 19,219,108,689
5. Step 5: Solve for x
   x = 19,219,108,689/65,392.50
6. Step 6: Final answer
   x = 293,903.87