Finding the Third Proportional to 70,984 and 109,896

Step by Step Solution

1. Step 1: Write the proportion equation
   70,984 : 109,896 = 109,896 : x
2. Step 2: Convert to fraction form
   70,984/109,896 = 109,896/x
3. Step 3: Cross multiply
   70,984x = 109,896 × 109,896
4. Step 4: Simplify right side
   70,984x = 12,077,130,816
5. Step 5: Solve for x
   x = 12,077,130,816/70,984
6. Step 6: Final answer
   x = 170,138.78