Finding the Third Proportional to 43,666 and 65,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,666 : 65,431.50 = 65,431.50 : x
2. Step 2: Convert to fraction form
   43,666/65,431.50 = 65,431.50/x
3. Step 3: Cross multiply
   43,666x = 65,431.50 × 65,431.50
4. Step 4: Simplify right side
   43,666x = 4,281,281,192.25
5. Step 5: Solve for x
   x = 4,281,281,192.25/43,666
6. Step 6: Final answer
   x = 98,046.10