Finding the Third Proportional to 53,159 and 72,226.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,159 : 72,226.50 = 72,226.50 : x
2. Step 2: Convert to fraction form
   53,159/72,226.50 = 72,226.50/x
3. Step 3: Cross multiply
   53,159x = 72,226.50 × 72,226.50
4. Step 4: Simplify right side
   53,159x = 5,216,667,302.25
5. Step 5: Solve for x
   x = 5,216,667,302.25/53,159
6. Step 6: Final answer
   x = 98,133.29