Finding the Third Proportional to 34,431.75 and 74,114.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,431.75 : 74,114.25 = 74,114.25 : x
2. Step 2: Convert to fraction form
   34,431.75/74,114.25 = 74,114.25/x
3. Step 3: Cross multiply
   34,431.75x = 74,114.25 × 74,114.25
4. Step 4: Simplify right side
   34,431.75x = 5,492,922,053.06
5. Step 5: Solve for x
   x = 5,492,922,053.06/34,431.75
6. Step 6: Final answer
   x = 159,530.73