Finding the Third Proportional to 47,480 and 71,090

Step by Step Solution

1. Step 1: Write the proportion equation
   47,480 : 71,090 = 71,090 : x
2. Step 2: Convert to fraction form
   47,480/71,090 = 71,090/x
3. Step 3: Cross multiply
   47,480x = 71,090 × 71,090
4. Step 4: Simplify right side
   47,480x = 5,053,788,100
5. Step 5: Solve for x
   x = 5,053,788,100/47,480
6. Step 6: Final answer
   x = 106,440.36