Finding the Third Proportional to 3,155,106 and 6,907,272

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155,106 : 6,907,272 = 6,907,272 : x
2. Step 2: Convert to fraction form
   3,155,106/6,907,272 = 6,907,272/x
3. Step 3: Cross multiply
   3,155,106x = 6,907,272 × 6,907,272
4. Step 4: Simplify right side
   3,155,106x = 47,710,406,481,984
5. Step 5: Solve for x
   x = 47,710,406,481,984/3,155,106
6. Step 6: Final answer
   x = 15,121,649.31