Finding the Third Proportional to 2,221,850 and 3,318,239

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,850 : 3,318,239 = 3,318,239 : x
2. Step 2: Convert to fraction form
   2,221,850/3,318,239 = 3,318,239/x
3. Step 3: Cross multiply
   2,221,850x = 3,318,239 × 3,318,239
4. Step 4: Simplify right side
   2,221,850x = 11,010,710,061,121
5. Step 5: Solve for x
   x = 11,010,710,061,121/2,221,850
6. Step 6: Final answer
   x = 4,955,649.60