Finding the Third Proportional to 34,693.50 and 71,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,693.50 : 71,020.50 = 71,020.50 : x
2. Step 2: Convert to fraction form
   34,693.50/71,020.50 = 71,020.50/x
3. Step 3: Cross multiply
   34,693.50x = 71,020.50 × 71,020.50
4. Step 4: Simplify right side
   34,693.50x = 5,043,911,420.25
5. Step 5: Solve for x
   x = 5,043,911,420.25/34,693.50
6. Step 6: Final answer
   x = 145,384.91