Finding the Third Proportional to 2,169,972 and 4,666,556

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169,972 : 4,666,556 = 4,666,556 : x
2. Step 2: Convert to fraction form
   2,169,972/4,666,556 = 4,666,556/x
3. Step 3: Cross multiply
   2,169,972x = 4,666,556 × 4,666,556
4. Step 4: Simplify right side
   2,169,972x = 21,776,744,901,136
5. Step 5: Solve for x
   x = 21,776,744,901,136/2,169,972
6. Step 6: Final answer
   x = 10,035,495.80