Finding the Third Proportional to 5,680,887 and 7,990,545

Step by Step Solution

1. Step 1: Write the proportion equation
   5,680,887 : 7,990,545 = 7,990,545 : x
2. Step 2: Convert to fraction form
   5,680,887/7,990,545 = 7,990,545/x
3. Step 3: Cross multiply
   5,680,887x = 7,990,545 × 7,990,545
4. Step 4: Simplify right side
   5,680,887x = 63,848,809,397,025
5. Step 5: Solve for x
   x = 63,848,809,397,025/5,680,887
6. Step 6: Final answer
   x = 11,239,232.43