Finding the Third Proportional to 45,851.50 and 68,345

Step by Step Solution

1. Step 1: Write the proportion equation
   45,851.50 : 68,345 = 68,345 : x
2. Step 2: Convert to fraction form
   45,851.50/68,345 = 68,345/x
3. Step 3: Cross multiply
   45,851.50x = 68,345 × 68,345
4. Step 4: Simplify right side
   45,851.50x = 4,671,039,025
5. Step 5: Solve for x
   x = 4,671,039,025/45,851.50
6. Step 6: Final answer
   x = 101,873.20