Finding the Third Proportional to 53,074 and 72,118

Step by Step Solution

1. Step 1: Write the proportion equation
   53,074 : 72,118 = 72,118 : x
2. Step 2: Convert to fraction form
   53,074/72,118 = 72,118/x
3. Step 3: Cross multiply
   53,074x = 72,118 × 72,118
4. Step 4: Simplify right side
   53,074x = 5,201,005,924
5. Step 5: Solve for x
   x = 5,201,005,924/53,074
6. Step 6: Final answer
   x = 97,995.36