Finding the Third Proportional to 5,715,216 and 7,761,888

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715,216 : 7,761,888 = 7,761,888 : x
2. Step 2: Convert to fraction form
   5,715,216/7,761,888 = 7,761,888/x
3. Step 3: Cross multiply
   5,715,216x = 7,761,888 × 7,761,888
4. Step 4: Simplify right side
   5,715,216x = 60,246,905,324,544
5. Step 5: Solve for x
   x = 60,246,905,324,544/5,715,216
6. Step 6: Final answer
   x = 10,541,492.28