Finding the Third Proportional to 100,384.50 and 147,225

Step by Step Solution

1. Step 1: Write the proportion equation
   100,384.50 : 147,225 = 147,225 : x
2. Step 2: Convert to fraction form
   100,384.50/147,225 = 147,225/x
3. Step 3: Cross multiply
   100,384.50x = 147,225 × 147,225
4. Step 4: Simplify right side
   100,384.50x = 21,675,200,625
5. Step 5: Solve for x
   x = 21,675,200,625/100,384.50
6. Step 6: Final answer
   x = 215,921.79