Finding the Third Proportional to 100,456.88 and 147,404.81

Step by Step Solution

1. Step 1: Write the proportion equation
   100,456.88 : 147,404.81 = 147,404.81 : x
2. Step 2: Convert to fraction form
   100,456.88/147,404.81 = 147,404.81/x
3. Step 3: Cross multiply
   100,456.88x = 147,404.81 × 147,404.81
4. Step 4: Simplify right side
   100,456.88x = 21,728,178,748.16
5. Step 5: Solve for x
   x = 21,728,178,748.16/100,456.88
6. Step 6: Final answer
   x = 216,293.60