Finding the Third Proportional to 41,713 and 90,139

Step by Step Solution

1. Step 1: Write the proportion equation
   41,713 : 90,139 = 90,139 : x
2. Step 2: Convert to fraction form
   41,713/90,139 = 90,139/x
3. Step 3: Cross multiply
   41,713x = 90,139 × 90,139
4. Step 4: Simplify right side
   41,713x = 8,125,039,321
5. Step 5: Solve for x
   x = 8,125,039,321/41,713
6. Step 6: Final answer
   x = 194,784.34