Finding the Third Proportional to 3,499,865 and 7,242,490

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499,865 : 7,242,490 = 7,242,490 : x
2. Step 2: Convert to fraction form
   3,499,865/7,242,490 = 7,242,490/x
3. Step 3: Cross multiply
   3,499,865x = 7,242,490 × 7,242,490
4. Step 4: Simplify right side
   3,499,865x = 52,453,661,400,100
5. Step 5: Solve for x
   x = 52,453,661,400,100/3,499,865
6. Step 6: Final answer
   x = 14,987,338.48