Finding the Third Proportional to 73,419.75 and 73,419.75

Step by Step Solution

1. Step 1: Write the proportion equation
   73,419.75 : 73,419.75 = 73,419.75 : x
2. Step 2: Convert to fraction form
   73,419.75/73,419.75 = 73,419.75/x
3. Step 3: Cross multiply
   73,419.75x = 73,419.75 × 73,419.75
4. Step 4: Simplify right side
   73,419.75x = 5,390,459,690.06
5. Step 5: Solve for x
   x = 5,390,459,690.06/73,419.75
6. Step 6: Final answer
   x = 73,419.75