Finding the Third Proportional to 53,113.50 and 114,939

Step by Step Solution

1. Step 1: Write the proportion equation
   53,113.50 : 114,939 = 114,939 : x
2. Step 2: Convert to fraction form
   53,113.50/114,939 = 114,939/x
3. Step 3: Cross multiply
   53,113.50x = 114,939 × 114,939
4. Step 4: Simplify right side
   53,113.50x = 13,210,973,721
5. Step 5: Solve for x
   x = 13,210,973,721/53,113.50
6. Step 6: Final answer
   x = 248,731.00