Finding the Third Proportional to 5,335,665 and 7,988,897

Step by Step Solution

1. Step 1: Write the proportion equation
   5,335,665 : 7,988,897 = 7,988,897 : x
2. Step 2: Convert to fraction form
   5,335,665/7,988,897 = 7,988,897/x
3. Step 3: Cross multiply
   5,335,665x = 7,988,897 × 7,988,897
4. Step 4: Simplify right side
   5,335,665x = 63,822,475,276,609
5. Step 5: Solve for x
   x = 63,822,475,276,609/5,335,665
6. Step 6: Final answer
   x = 11,961,484.70