Finding the Third Proportional to 34,417.69 and 70,688.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,417.69 : 70,688.25 = 70,688.25 : x
2. Step 2: Convert to fraction form
   34,417.69/70,688.25 = 70,688.25/x
3. Step 3: Cross multiply
   34,417.69x = 70,688.25 × 70,688.25
4. Step 4: Simplify right side
   34,417.69x = 4,996,828,688.06
5. Step 5: Solve for x
   x = 4,996,828,688.06/34,417.69
6. Step 6: Final answer
   x = 145,182.00