Finding the Third Proportional to 15,153 and 35,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,153 : 35,215.50 = 35,215.50 : x
2. Step 2: Convert to fraction form
   15,153/35,215.50 = 35,215.50/x
3. Step 3: Cross multiply
   15,153x = 35,215.50 × 35,215.50
4. Step 4: Simplify right side
   15,153x = 1,240,131,440.25
5. Step 5: Solve for x
   x = 1,240,131,440.25/15,153
6. Step 6: Final answer
   x = 81,840.65