Finding the Third Proportional to 90,477 and 135,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,477 : 135,031.50 = 135,031.50 : x
2. Step 2: Convert to fraction form
   90,477/135,031.50 = 135,031.50/x
3. Step 3: Cross multiply
   90,477x = 135,031.50 × 135,031.50
4. Step 4: Simplify right side
   90,477x = 18,233,505,992.25
5. Step 5: Solve for x
   x = 18,233,505,992.25/90,477
6. Step 6: Final answer
   x = 201,526.42