Finding the Third Proportional to 3,665,080 and 7,816,909

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665,080 : 7,816,909 = 7,816,909 : x
2. Step 2: Convert to fraction form
   3,665,080/7,816,909 = 7,816,909/x
3. Step 3: Cross multiply
   3,665,080x = 7,816,909 × 7,816,909
4. Step 4: Simplify right side
   3,665,080x = 61,104,066,314,281
5. Step 5: Solve for x
   x = 61,104,066,314,281/3,665,080
6. Step 6: Final answer
   x = 16,671,959.77