Finding the Third Proportional to 130,321.50 and 201,468

Step by Step Solution

1. Step 1: Write the proportion equation
   130,321.50 : 201,468 = 201,468 : x
2. Step 2: Convert to fraction form
   130,321.50/201,468 = 201,468/x
3. Step 3: Cross multiply
   130,321.50x = 201,468 × 201,468
4. Step 4: Simplify right side
   130,321.50x = 40,589,355,024
5. Step 5: Solve for x
   x = 40,589,355,024/130,321.50
6. Step 6: Final answer
   x = 311,455.55