Finding the Third Proportional to 59,706 and 90,747

Step by Step Solution

1. Step 1: Write the proportion equation
   59,706 : 90,747 = 90,747 : x
2. Step 2: Convert to fraction form
   59,706/90,747 = 90,747/x
3. Step 3: Cross multiply
   59,706x = 90,747 × 90,747
4. Step 4: Simplify right side
   59,706x = 8,235,018,009
5. Step 5: Solve for x
   x = 8,235,018,009/59,706
6. Step 6: Final answer
   x = 137,926.14