Finding the Third Proportional to 5,380,875 and 7,994,664

Step by Step Solution

1. Step 1: Write the proportion equation
   5,380,875 : 7,994,664 = 7,994,664 : x
2. Step 2: Convert to fraction form
   5,380,875/7,994,664 = 7,994,664/x
3. Step 3: Cross multiply
   5,380,875x = 7,994,664 × 7,994,664
4. Step 4: Simplify right side
   5,380,875x = 63,914,652,472,896
5. Step 5: Solve for x
   x = 63,914,652,472,896/5,380,875
6. Step 6: Final answer
   x = 11,878,115.08