Finding the Third Proportional to 2,148,264 and 4,679,982

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,264 : 4,679,982 = 4,679,982 : x
2. Step 2: Convert to fraction form
   2,148,264/4,679,982 = 4,679,982/x
3. Step 3: Cross multiply
   2,148,264x = 4,679,982 × 4,679,982
4. Step 4: Simplify right side
   2,148,264x = 21,902,231,520,324
5. Step 5: Solve for x
   x = 21,902,231,520,324/2,148,264
6. Step 6: Final answer
   x = 10,195,316.55