Finding the Third Proportional to 42,141 and 90,114

Step by Step Solution

1. Step 1: Write the proportion equation
   42,141 : 90,114 = 90,114 : x
2. Step 2: Convert to fraction form
   42,141/90,114 = 90,114/x
3. Step 3: Cross multiply
   42,141x = 90,114 × 90,114
4. Step 4: Simplify right side
   42,141x = 8,120,532,996
5. Step 5: Solve for x
   x = 8,120,532,996/42,141
6. Step 6: Final answer
   x = 192,699.11