Finding the Third Proportional to 3,499,863 and 7,242,486

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499,863 : 7,242,486 = 7,242,486 : x
2. Step 2: Convert to fraction form
   3,499,863/7,242,486 = 7,242,486/x
3. Step 3: Cross multiply
   3,499,863x = 7,242,486 × 7,242,486
4. Step 4: Simplify right side
   3,499,863x = 52,453,603,460,196
5. Step 5: Solve for x
   x = 52,453,603,460,196/3,499,863
6. Step 6: Final answer
   x = 14,987,330.49