Finding the Third Proportional to 34,740.56 and 70,711.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,740.56 : 70,711.31 = 70,711.31 : x
2. Step 2: Convert to fraction form
   34,740.56/70,711.31 = 70,711.31/x
3. Step 3: Cross multiply
   34,740.56x = 70,711.31 × 70,711.31
4. Step 4: Simplify right side
   34,740.56x = 5,000,089,715.47
5. Step 5: Solve for x
   x = 5,000,089,715.47/34,740.56
6. Step 6: Final answer
   x = 143,926.56