Finding the Third Proportional to 51,363 and 72,118

Step by Step Solution

1. Step 1: Write the proportion equation
   51,363 : 72,118 = 72,118 : x
2. Step 2: Convert to fraction form
   51,363/72,118 = 72,118/x
3. Step 3: Cross multiply
   51,363x = 72,118 × 72,118
4. Step 4: Simplify right side
   51,363x = 5,201,005,924
5. Step 5: Solve for x
   x = 5,201,005,924/51,363
6. Step 6: Final answer
   x = 101,259.78