Finding the Third Proportional to 4,486,108 and 9,869,368

Step by Step Solution

1. Step 1: Write the proportion equation
   4,486,108 : 9,869,368 = 9,869,368 : x
2. Step 2: Convert to fraction form
   4,486,108/9,869,368 = 9,869,368/x
3. Step 3: Cross multiply
   4,486,108x = 9,869,368 × 9,869,368
4. Step 4: Simplify right side
   4,486,108x = 97,404,424,719,424
5. Step 5: Solve for x
   x = 97,404,424,719,424/4,486,108
6. Step 6: Final answer
   x = 21,712,456.48