Finding the Third Proportional to 43,272 and 65,720.25

Step by Step Solution

1. Step 1: Write the proportion equation
   43,272 : 65,720.25 = 65,720.25 : x
2. Step 2: Convert to fraction form
   43,272/65,720.25 = 65,720.25/x
3. Step 3: Cross multiply
   43,272x = 65,720.25 × 65,720.25
4. Step 4: Simplify right side
   43,272x = 4,319,151,260.06
5. Step 5: Solve for x
   x = 4,319,151,260.06/43,272
6. Step 6: Final answer
   x = 99,814.00