Finding the Third Proportional to 73,207.13 and 99,442.69

Step by Step Solution

1. Step 1: Write the proportion equation
   73,207.13 : 99,442.69 = 99,442.69 : x
2. Step 2: Convert to fraction form
   73,207.13/99,442.69 = 99,442.69/x
3. Step 3: Cross multiply
   73,207.13x = 99,442.69 × 99,442.69
4. Step 4: Simplify right side
   73,207.13x = 9,888,848,097.22
5. Step 5: Solve for x
   x = 9,888,848,097.22/73,207.13
6. Step 6: Final answer
   x = 135,080.41