Finding the Third Proportional to 19,490 and 42,094

Step by Step Solution

1. Step 1: Write the proportion equation
   19,490 : 42,094 = 42,094 : x
2. Step 2: Convert to fraction form
   19,490/42,094 = 42,094/x
3. Step 3: Cross multiply
   19,490x = 42,094 × 42,094
4. Step 4: Simplify right side
   19,490x = 1,771,904,836
5. Step 5: Solve for x
   x = 1,771,904,836/19,490
6. Step 6: Final answer
   x = 90,913.54