Finding the Third Proportional to 2,118,803 and 4,633,729

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,803 : 4,633,729 = 4,633,729 : x
2. Step 2: Convert to fraction form
   2,118,803/4,633,729 = 4,633,729/x
3. Step 3: Cross multiply
   2,118,803x = 4,633,729 × 4,633,729
4. Step 4: Simplify right side
   2,118,803x = 21,471,444,445,441
5. Step 5: Solve for x
   x = 21,471,444,445,441/2,118,803
6. Step 6: Final answer
   x = 10,133,761.58