Finding the Third Proportional to 3,515,842 and 5,283,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,515,842 : 5,283,124 = 5,283,124 : x
2. Step 2: Convert to fraction form
   3,515,842/5,283,124 = 5,283,124/x
3. Step 3: Cross multiply
   3,515,842x = 5,283,124 × 5,283,124
4. Step 4: Simplify right side
   3,515,842x = 27,911,399,199,376
5. Step 5: Solve for x
   x = 27,911,399,199,376/3,515,842
6. Step 6: Final answer
   x = 7,938,752.42