Finding the Third Proportional to 34,425 and 70,699.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,425 : 70,699.50 = 70,699.50 : x
2. Step 2: Convert to fraction form
   34,425/70,699.50 = 70,699.50/x
3. Step 3: Cross multiply
   34,425x = 70,699.50 × 70,699.50
4. Step 4: Simplify right side
   34,425x = 4,998,419,300.25
5. Step 5: Solve for x
   x = 4,998,419,300.25/34,425
6. Step 6: Final answer
   x = 145,197.37