Finding the Third Proportional to 101,803.50 and 215,097

Step by Step Solution

1. Step 1: Write the proportion equation
   101,803.50 : 215,097 = 215,097 : x
2. Step 2: Convert to fraction form
   101,803.50/215,097 = 215,097/x
3. Step 3: Cross multiply
   101,803.50x = 215,097 × 215,097
4. Step 4: Simplify right side
   101,803.50x = 46,266,719,409
5. Step 5: Solve for x
   x = 46,266,719,409/101,803.50
6. Step 6: Final answer
   x = 454,470.81