Finding the Third Proportional to 34,557.75 and 70,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,557.75 : 70,573.50 = 70,573.50 : x
2. Step 2: Convert to fraction form
   34,557.75/70,573.50 = 70,573.50/x
3. Step 3: Cross multiply
   34,557.75x = 70,573.50 × 70,573.50
4. Step 4: Simplify right side
   34,557.75x = 4,980,618,902.25
5. Step 5: Solve for x
   x = 4,980,618,902.25/34,557.75
6. Step 6: Final answer
   x = 144,124.51