Finding the Third Proportional to 73,216.13 and 99,455.63

Step by Step Solution

1. Step 1: Write the proportion equation
   73,216.13 : 99,455.63 = 99,455.63 : x
2. Step 2: Convert to fraction form
   73,216.13/99,455.63 = 99,455.63/x
3. Step 3: Cross multiply
   73,216.13x = 99,455.63 × 99,455.63
4. Step 4: Simplify right side
   73,216.13x = 9,891,421,344.14
5. Step 5: Solve for x
   x = 9,891,421,344.14/73,216.13
6. Step 6: Final answer
   x = 135,098.95