Finding the Third Proportional to 101,145.50 and 145,697

Step by Step Solution

1. Step 1: Write the proportion equation
   101,145.50 : 145,697 = 145,697 : x
2. Step 2: Convert to fraction form
   101,145.50/145,697 = 145,697/x
3. Step 3: Cross multiply
   101,145.50x = 145,697 × 145,697
4. Step 4: Simplify right side
   101,145.50x = 21,227,615,809
5. Step 5: Solve for x
   x = 21,227,615,809/101,145.50
6. Step 6: Final answer
   x = 209,872.07