Finding the Third Proportional to 71,429.63 and 113,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,429.63 : 113,008.50 = 113,008.50 : x
2. Step 2: Convert to fraction form
   71,429.63/113,008.50 = 113,008.50/x
3. Step 3: Cross multiply
   71,429.63x = 113,008.50 × 113,008.50
4. Step 4: Simplify right side
   71,429.63x = 12,770,921,072.25
5. Step 5: Solve for x
   x = 12,770,921,072.25/71,429.63
6. Step 6: Final answer
   x = 178,790.26