Finding the Third Proportional to 42,166.69 and 90,586.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,166.69 : 90,586.69 = 90,586.69 : x
2. Step 2: Convert to fraction form
   42,166.69/90,586.69 = 90,586.69/x
3. Step 3: Cross multiply
   42,166.69x = 90,586.69 × 90,586.69
4. Step 4: Simplify right side
   42,166.69x = 8,205,947,952.22
5. Step 5: Solve for x
   x = 8,205,947,952.22/42,166.69
6. Step 6: Final answer
   x = 194,607.37