Finding the Third Proportional to 42,010 and 63,891

Step by Step Solution

1. Step 1: Write the proportion equation
   42,010 : 63,891 = 63,891 : x
2. Step 2: Convert to fraction form
   42,010/63,891 = 63,891/x
3. Step 3: Cross multiply
   42,010x = 63,891 × 63,891
4. Step 4: Simplify right side
   42,010x = 4,082,059,881
5. Step 5: Solve for x
   x = 4,082,059,881/42,010
6. Step 6: Final answer
   x = 97,168.77