Finding the Third Proportional to 70,634.50 and 106,672

Step by Step Solution

1. Step 1: Write the proportion equation
   70,634.50 : 106,672 = 106,672 : x
2. Step 2: Convert to fraction form
   70,634.50/106,672 = 106,672/x
3. Step 3: Cross multiply
   70,634.50x = 106,672 × 106,672
4. Step 4: Simplify right side
   70,634.50x = 11,378,915,584
5. Step 5: Solve for x
   x = 11,378,915,584/70,634.50
6. Step 6: Final answer
   x = 161,095.72