Finding the Third Proportional to 53,988.19 and 126,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,988.19 : 126,123.56 = 126,123.56 : x
2. Step 2: Convert to fraction form
   53,988.19/126,123.56 = 126,123.56/x
3. Step 3: Cross multiply
   53,988.19x = 126,123.56 × 126,123.56
4. Step 4: Simplify right side
   53,988.19x = 15,907,153,017.69
5. Step 5: Solve for x
   x = 15,907,153,017.69/53,988.19
6. Step 6: Final answer
   x = 294,641.36