Finding the Third Proportional to 3,111,312 and 4,669,896

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111,312 : 4,669,896 = 4,669,896 : x
2. Step 2: Convert to fraction form
   3,111,312/4,669,896 = 4,669,896/x
3. Step 3: Cross multiply
   3,111,312x = 4,669,896 × 4,669,896
4. Step 4: Simplify right side
   3,111,312x = 21,807,928,650,816
5. Step 5: Solve for x
   x = 21,807,928,650,816/3,111,312
6. Step 6: Final answer
   x = 7,009,238.76