Finding the Third Proportional to 3,494,546 and 7,507,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,546 : 7,507,784 = 7,507,784 : x
2. Step 2: Convert to fraction form
   3,494,546/7,507,784 = 7,507,784/x
3. Step 3: Cross multiply
   3,494,546x = 7,507,784 × 7,507,784
4. Step 4: Simplify right side
   3,494,546x = 56,366,820,590,656
5. Step 5: Solve for x
   x = 56,366,820,590,656/3,494,546
6. Step 6: Final answer
   x = 16,129,940.94