Finding the Third Proportional to 47,312 and 71,164

Step by Step Solution

1. Step 1: Write the proportion equation
   47,312 : 71,164 = 71,164 : x
2. Step 2: Convert to fraction form
   47,312/71,164 = 71,164/x
3. Step 3: Cross multiply
   47,312x = 71,164 × 71,164
4. Step 4: Simplify right side
   47,312x = 5,064,314,896
5. Step 5: Solve for x
   x = 5,064,314,896/47,312
6. Step 6: Final answer
   x = 107,040.81