Finding the Third Proportional to 5,160,600 and 7,217,960

Step by Step Solution

1. Step 1: Write the proportion equation
   5,160,600 : 7,217,960 = 7,217,960 : x
2. Step 2: Convert to fraction form
   5,160,600/7,217,960 = 7,217,960/x
3. Step 3: Cross multiply
   5,160,600x = 7,217,960 × 7,217,960
4. Step 4: Simplify right side
   5,160,600x = 52,098,946,561,600
5. Step 5: Solve for x
   x = 52,098,946,561,600/5,160,600
6. Step 6: Final answer
   x = 10,095,521.17