Finding the Third Proportional to 34,778.50 and 74,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,778.50 : 74,955.50 = 74,955.50 : x
2. Step 2: Convert to fraction form
   34,778.50/74,955.50 = 74,955.50/x
3. Step 3: Cross multiply
   34,778.50x = 74,955.50 × 74,955.50
4. Step 4: Simplify right side
   34,778.50x = 5,618,326,980.25
5. Step 5: Solve for x
   x = 5,618,326,980.25/34,778.50
6. Step 6: Final answer
   x = 161,545.98