Finding the Third Proportional to 34,418.67 and 72,972.14

Step by Step Solution

1. Step 1: Write the proportion equation
   34,418.67 : 72,972.14 = 72,972.14 : x
2. Step 2: Convert to fraction form
   34,418.67/72,972.14 = 72,972.14/x
3. Step 3: Cross multiply
   34,418.67x = 72,972.14 × 72,972.14
4. Step 4: Simplify right side
   34,418.67x = 5,324,933,307.39
5. Step 5: Solve for x
   x = 5,324,933,307.39/34,418.67
6. Step 6: Final answer
   x = 154,710.60