Finding the Third Proportional to 19,053,203 and 28,622,870

Step by Step Solution

1. Step 1: Write the proportion equation
   19,053,203 : 28,622,870 = 28,622,870 : x
2. Step 2: Convert to fraction form
   19,053,203/28,622,870 = 28,622,870/x
3. Step 3: Cross multiply
   19,053,203x = 28,622,870 × 28,622,870
4. Step 4: Simplify right side
   19,053,203x = 819,268,687,036,900
5. Step 5: Solve for x
   x = 819,268,687,036,900/19,053,203
6. Step 6: Final answer
   x = 42,999,000.59