Finding the Third Proportional to 5,680,893 and 7,990,554

Step by Step Solution

1. Step 1: Write the proportion equation
   5,680,893 : 7,990,554 = 7,990,554 : x
2. Step 2: Convert to fraction form
   5,680,893/7,990,554 = 7,990,554/x
3. Step 3: Cross multiply
   5,680,893x = 7,990,554 × 7,990,554
4. Step 4: Simplify right side
   5,680,893x = 63,848,953,226,916
5. Step 5: Solve for x
   x = 63,848,953,226,916/5,680,893
6. Step 6: Final answer
   x = 11,239,245.88