Finding the Third Proportional to 3,556,151 and 7,680,903

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,151 : 7,680,903 = 7,680,903 : x
2. Step 2: Convert to fraction form
   3,556,151/7,680,903 = 7,680,903/x
3. Step 3: Cross multiply
   3,556,151x = 7,680,903 × 7,680,903
4. Step 4: Simplify right side
   3,556,151x = 58,996,270,895,409
5. Step 5: Solve for x
   x = 58,996,270,895,409/3,556,151
6. Step 6: Final answer
   x = 16,589,922.90