Finding the Third Proportional to 99,938.81 and 132,047.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,938.81 : 132,047.72 = 132,047.72 : x
2. Step 2: Convert to fraction form
   99,938.81/132,047.72 = 132,047.72/x
3. Step 3: Cross multiply
   99,938.81x = 132,047.72 × 132,047.72
4. Step 4: Simplify right side
   99,938.81x = 17,436,600,027.08
5. Step 5: Solve for x
   x = 17,436,600,027.08/99,938.81
6. Step 6: Final answer
   x = 174,472.76