Finding the Third Proportional to 19,870 and 43,157

Step by Step Solution

1. Step 1: Write the proportion equation
   19,870 : 43,157 = 43,157 : x
2. Step 2: Convert to fraction form
   19,870/43,157 = 43,157/x
3. Step 3: Cross multiply
   19,870x = 43,157 × 43,157
4. Step 4: Simplify right side
   19,870x = 1,862,526,649
5. Step 5: Solve for x
   x = 1,862,526,649/19,870
6. Step 6: Final answer
   x = 93,735.61