Finding the Third Proportional to 3,499,402 and 7,278,008

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499,402 : 7,278,008 = 7,278,008 : x
2. Step 2: Convert to fraction form
   3,499,402/7,278,008 = 7,278,008/x
3. Step 3: Cross multiply
   3,499,402x = 7,278,008 × 7,278,008
4. Step 4: Simplify right side
   3,499,402x = 52,969,400,448,064
5. Step 5: Solve for x
   x = 52,969,400,448,064/3,499,402
6. Step 6: Final answer
   x = 15,136,700.63