Finding the Third Proportional to 2,221,284 and 4,788,120

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,284 : 4,788,120 = 4,788,120 : x
2. Step 2: Convert to fraction form
   2,221,284/4,788,120 = 4,788,120/x
3. Step 3: Cross multiply
   2,221,284x = 4,788,120 × 4,788,120
4. Step 4: Simplify right side
   2,221,284x = 22,926,093,134,400
5. Step 5: Solve for x
   x = 22,926,093,134,400/2,221,284
6. Step 6: Final answer
   x = 10,321,099.48