Finding the Third Proportional to 40,300.50 and 86,145

Step by Step Solution

1. Step 1: Write the proportion equation
   40,300.50 : 86,145 = 86,145 : x
2. Step 2: Convert to fraction form
   40,300.50/86,145 = 86,145/x
3. Step 3: Cross multiply
   40,300.50x = 86,145 × 86,145
4. Step 4: Simplify right side
   40,300.50x = 7,420,961,025
5. Step 5: Solve for x
   x = 7,420,961,025/40,300.50
6. Step 6: Final answer
   x = 184,140.67