Finding the Third Proportional to 15,144 and 35,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,144 : 35,191.50 = 35,191.50 : x
2. Step 2: Convert to fraction form
   15,144/35,191.50 = 35,191.50/x
3. Step 3: Cross multiply
   15,144x = 35,191.50 × 35,191.50
4. Step 4: Simplify right side
   15,144x = 1,238,441,672.25
5. Step 5: Solve for x
   x = 1,238,441,672.25/15,144
6. Step 6: Final answer
   x = 81,777.71