Finding the Third Proportional to 34,742.50 and 74,885

Step by Step Solution

1. Step 1: Write the proportion equation
   34,742.50 : 74,885 = 74,885 : x
2. Step 2: Convert to fraction form
   34,742.50/74,885 = 74,885/x
3. Step 3: Cross multiply
   34,742.50x = 74,885 × 74,885
4. Step 4: Simplify right side
   34,742.50x = 5,607,763,225
5. Step 5: Solve for x
   x = 5,607,763,225/34,742.50
6. Step 6: Final answer
   x = 161,409.32