Finding the Third Proportional to 6,916,120 and 11,112,308

Step by Step Solution

1. Step 1: Write the proportion equation
   6,916,120 : 11,112,308 = 11,112,308 : x
2. Step 2: Convert to fraction form
   6,916,120/11,112,308 = 11,112,308/x
3. Step 3: Cross multiply
   6,916,120x = 11,112,308 × 11,112,308
4. Step 4: Simplify right side
   6,916,120x = 123,483,389,086,864
5. Step 5: Solve for x
   x = 123,483,389,086,864/6,916,120
6. Step 6: Final answer
   x = 17,854,431.25