Finding the Third Proportional to 74,299.50 and 112,871.25

Step by Step Solution

1. Step 1: Write the proportion equation
   74,299.50 : 112,871.25 = 112,871.25 : x
2. Step 2: Convert to fraction form
   74,299.50/112,871.25 = 112,871.25/x
3. Step 3: Cross multiply
   74,299.50x = 112,871.25 × 112,871.25
4. Step 4: Simplify right side
   74,299.50x = 12,739,919,076.56
5. Step 5: Solve for x
   x = 12,739,919,076.56/74,299.50
6. Step 6: Final answer
   x = 171,467.09