Finding the Third Proportional to 45,808.50 and 99,450

Step by Step Solution

1. Step 1: Write the proportion equation
   45,808.50 : 99,450 = 99,450 : x
2. Step 2: Convert to fraction form
   45,808.50/99,450 = 99,450/x
3. Step 3: Cross multiply
   45,808.50x = 99,450 × 99,450
4. Step 4: Simplify right side
   45,808.50x = 9,890,302,500
5. Step 5: Solve for x
   x = 9,890,302,500/45,808.50
6. Step 6: Final answer
   x = 215,905.40