Finding the Third Proportional to 109,580 and 148,491

Step by Step Solution

1. Step 1: Write the proportion equation
   109,580 : 148,491 = 148,491 : x
2. Step 2: Convert to fraction form
   109,580/148,491 = 148,491/x
3. Step 3: Cross multiply
   109,580x = 148,491 × 148,491
4. Step 4: Simplify right side
   109,580x = 22,049,577,081
5. Step 5: Solve for x
   x = 22,049,577,081/109,580
6. Step 6: Final answer
   x = 201,218.99