Finding the Third Proportional to 53,913 and 116,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,913 : 116,988.50 = 116,988.50 : x
2. Step 2: Convert to fraction form
   53,913/116,988.50 = 116,988.50/x
3. Step 3: Cross multiply
   53,913x = 116,988.50 × 116,988.50
4. Step 4: Simplify right side
   53,913x = 13,686,309,132.25
5. Step 5: Solve for x
   x = 13,686,309,132.25/53,913
6. Step 6: Final answer
   x = 253,859.16