Finding the Third Proportional to 91,488 and 142,572

Step by Step Solution

1. Step 1: Write the proportion equation
   91,488 : 142,572 = 142,572 : x
2. Step 2: Convert to fraction form
   91,488/142,572 = 142,572/x
3. Step 3: Cross multiply
   91,488x = 142,572 × 142,572
4. Step 4: Simplify right side
   91,488x = 20,326,775,184
5. Step 5: Solve for x
   x = 20,326,775,184/91,488
6. Step 6: Final answer
   x = 222,179.69