Finding the Third Proportional to 34,745 and 70,719

Step by Step Solution

1. Step 1: Write the proportion equation
   34,745 : 70,719 = 70,719 : x
2. Step 2: Convert to fraction form
   34,745/70,719 = 70,719/x
3. Step 3: Cross multiply
   34,745x = 70,719 × 70,719
4. Step 4: Simplify right side
   34,745x = 5,001,176,961
5. Step 5: Solve for x
   x = 5,001,176,961/34,745
6. Step 6: Final answer
   x = 143,939.47