Finding the Third Proportional to 56,969 and 90,091

Step by Step Solution

1. Step 1: Write the proportion equation
   56,969 : 90,091 = 90,091 : x
2. Step 2: Convert to fraction form
   56,969/90,091 = 90,091/x
3. Step 3: Cross multiply
   56,969x = 90,091 × 90,091
4. Step 4: Simplify right side
   56,969x = 8,116,388,281
5. Step 5: Solve for x
   x = 8,116,388,281/56,969
6. Step 6: Final answer
   x = 142,470.26