Finding the Third Proportional to 42,069 and 89,751

Step by Step Solution

1. Step 1: Write the proportion equation
   42,069 : 89,751 = 89,751 : x
2. Step 2: Convert to fraction form
   42,069/89,751 = 89,751/x
3. Step 3: Cross multiply
   42,069x = 89,751 × 89,751
4. Step 4: Simplify right side
   42,069x = 8,055,242,001
5. Step 5: Solve for x
   x = 8,055,242,001/42,069
6. Step 6: Final answer
   x = 191,476.91