Finding the Third Proportional to 43,272 and 65,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,272 : 65,485.50 = 65,485.50 : x
2. Step 2: Convert to fraction form
   43,272/65,485.50 = 65,485.50/x
3. Step 3: Cross multiply
   43,272x = 65,485.50 × 65,485.50
4. Step 4: Simplify right side
   43,272x = 4,288,350,710.25
5. Step 5: Solve for x
   x = 4,288,350,710.25/43,272
6. Step 6: Final answer
   x = 99,102.21