Finding the Third Proportional to 908,514 and 1,911,172

Step by Step Solution

1. Step 1: Write the proportion equation
   908,514 : 1,911,172 = 1,911,172 : x
2. Step 2: Convert to fraction form
   908,514/1,911,172 = 1,911,172/x
3. Step 3: Cross multiply
   908,514x = 1,911,172 × 1,911,172
4. Step 4: Simplify right side
   908,514x = 3,652,578,413,584
5. Step 5: Solve for x
   x = 3,652,578,413,584/908,514
6. Step 6: Final answer
   x = 4,020,387.59