Finding the Third Proportional to 42,573 and 90,294

Step by Step Solution

1. Step 1: Write the proportion equation
   42,573 : 90,294 = 90,294 : x
2. Step 2: Convert to fraction form
   42,573/90,294 = 90,294/x
3. Step 3: Cross multiply
   42,573x = 90,294 × 90,294
4. Step 4: Simplify right side
   42,573x = 8,153,006,436
5. Step 5: Solve for x
   x = 8,153,006,436/42,573
6. Step 6: Final answer
   x = 191,506.50