Finding the Third Proportional to 43,269 and 65,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,269 : 65,715.50 = 65,715.50 : x
2. Step 2: Convert to fraction form
   43,269/65,715.50 = 65,715.50/x
3. Step 3: Cross multiply
   43,269x = 65,715.50 × 65,715.50
4. Step 4: Simplify right side
   43,269x = 4,318,526,940.25
5. Step 5: Solve for x
   x = 4,318,526,940.25/43,269
6. Step 6: Final answer
   x = 99,806.49