Finding the Third Proportional to 49,690 and 73,859

Step by Step Solution

1. Step 1: Write the proportion equation
   49,690 : 73,859 = 73,859 : x
2. Step 2: Convert to fraction form
   49,690/73,859 = 73,859/x
3. Step 3: Cross multiply
   49,690x = 73,859 × 73,859
4. Step 4: Simplify right side
   49,690x = 5,455,151,881
5. Step 5: Solve for x
   x = 5,455,151,881/49,690
6. Step 6: Final answer
   x = 109,783.70