Finding the Third Proportional to 45,020 and 69,886

Step by Step Solution

1. Step 1: Write the proportion equation
   45,020 : 69,886 = 69,886 : x
2. Step 2: Convert to fraction form
   45,020/69,886 = 69,886/x
3. Step 3: Cross multiply
   45,020x = 69,886 × 69,886
4. Step 4: Simplify right side
   45,020x = 4,884,052,996
5. Step 5: Solve for x
   x = 4,884,052,996/45,020
6. Step 6: Final answer
   x = 108,486.29