Finding the Third Proportional to 2,243,070 and 4,920,397

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,070 : 4,920,397 = 4,920,397 : x
2. Step 2: Convert to fraction form
   2,243,070/4,920,397 = 4,920,397/x
3. Step 3: Cross multiply
   2,243,070x = 4,920,397 × 4,920,397
4. Step 4: Simplify right side
   2,243,070x = 24,210,306,637,609
5. Step 5: Solve for x
   x = 24,210,306,637,609/2,243,070
6. Step 6: Final answer
   x = 10,793,379.89