Finding the Third Proportional to 4,970.11 and 10,342.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,970.11 : 10,342.69 = 10,342.69 : x
2. Step 2: Convert to fraction form
   4,970.11/10,342.69 = 10,342.69/x
3. Step 3: Cross multiply
   4,970.11x = 10,342.69 × 10,342.69
4. Step 4: Simplify right side
   4,970.11x = 106,971,184.72
5. Step 5: Solve for x
   x = 106,971,184.72/4,970.11
6. Step 6: Final answer
   x = 21,522.90