Finding the Third Proportional to 53,159 and 72,226

Step by Step Solution

1. Step 1: Write the proportion equation
   53,159 : 72,226 = 72,226 : x
2. Step 2: Convert to fraction form
   53,159/72,226 = 72,226/x
3. Step 3: Cross multiply
   53,159x = 72,226 × 72,226
4. Step 4: Simplify right side
   53,159x = 5,216,595,076
5. Step 5: Solve for x
   x = 5,216,595,076/53,159
6. Step 6: Final answer
   x = 98,131.93