Finding the Third Proportional to 34,420.50 and 72,969.75

Step by Step Solution

1. Step 1: Write the proportion equation
   34,420.50 : 72,969.75 = 72,969.75 : x
2. Step 2: Convert to fraction form
   34,420.50/72,969.75 = 72,969.75/x
3. Step 3: Cross multiply
   34,420.50x = 72,969.75 × 72,969.75
4. Step 4: Simplify right side
   34,420.50x = 5,324,584,415.06
5. Step 5: Solve for x
   x = 5,324,584,415.06/34,420.50
6. Step 6: Final answer
   x = 154,692.24