Finding the Third Proportional to 42,020 and 89,602

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020 : 89,602 = 89,602 : x
2. Step 2: Convert to fraction form
   42,020/89,602 = 89,602/x
3. Step 3: Cross multiply
   42,020x = 89,602 × 89,602
4. Step 4: Simplify right side
   42,020x = 8,028,518,404
5. Step 5: Solve for x
   x = 8,028,518,404/42,020
6. Step 6: Final answer
   x = 191,064.22