Finding the Third Proportional to 19,557,164 and 42,514,870

Step by Step Solution

1. Step 1: Write the proportion equation
   19,557,164 : 42,514,870 = 42,514,870 : x
2. Step 2: Convert to fraction form
   19,557,164/42,514,870 = 42,514,870/x
3. Step 3: Cross multiply
   19,557,164x = 42,514,870 × 42,514,870
4. Step 4: Simplify right side
   19,557,164x = 1,807,514,171,116,900
5. Step 5: Solve for x
   x = 1,807,514,171,116,900/19,557,164
6. Step 6: Final answer
   x = 92,422,100.21