Finding the Third Proportional to 42,099 and 90,035

Step by Step Solution

1. Step 1: Write the proportion equation
   42,099 : 90,035 = 90,035 : x
2. Step 2: Convert to fraction form
   42,099/90,035 = 90,035/x
3. Step 3: Cross multiply
   42,099x = 90,035 × 90,035
4. Step 4: Simplify right side
   42,099x = 8,106,301,225
5. Step 5: Solve for x
   x = 8,106,301,225/42,099
6. Step 6: Final answer
   x = 192,553.30