Finding the Third Proportional to 108,021 and 148,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,021 : 148,339.50 = 148,339.50 : x
2. Step 2: Convert to fraction form
   108,021/148,339.50 = 148,339.50/x
3. Step 3: Cross multiply
   108,021x = 148,339.50 × 148,339.50
4. Step 4: Simplify right side
   108,021x = 22,004,607,260.25
5. Step 5: Solve for x
   x = 22,004,607,260.25/108,021
6. Step 6: Final answer
   x = 203,706.75