Finding the Third Proportional to 2,910,010 and 4,405,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910,010 : 4,405,272 = 4,405,272 : x
2. Step 2: Convert to fraction form
   2,910,010/4,405,272 = 4,405,272/x
3. Step 3: Cross multiply
   2,910,010x = 4,405,272 × 4,405,272
4. Step 4: Simplify right side
   2,910,010x = 19,406,421,393,984
5. Step 5: Solve for x
   x = 19,406,421,393,984/2,910,010
6. Step 6: Final answer
   x = 6,668,850.41