Finding the Third Proportional to 42,108 and 90,897

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108 : 90,897 = 90,897 : x
2. Step 2: Convert to fraction form
   42,108/90,897 = 90,897/x
3. Step 3: Cross multiply
   42,108x = 90,897 × 90,897
4. Step 4: Simplify right side
   42,108x = 8,262,264,609
5. Step 5: Solve for x
   x = 8,262,264,609/42,108
6. Step 6: Final answer
   x = 196,216.03