Finding the Third Proportional to 53,221.50 and 74,000.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,221.50 : 74,000.25 = 74,000.25 : x
2. Step 2: Convert to fraction form
   53,221.50/74,000.25 = 74,000.25/x
3. Step 3: Cross multiply
   53,221.50x = 74,000.25 × 74,000.25
4. Step 4: Simplify right side
   53,221.50x = 5,476,037,000.06
5. Step 5: Solve for x
   x = 5,476,037,000.06/53,221.50
6. Step 6: Final answer
   x = 102,891.44