Finding the Third Proportional to 908,608.50 and 1,911,393

Step by Step Solution

1. Step 1: Write the proportion equation
   908,608.50 : 1,911,393 = 1,911,393 : x
2. Step 2: Convert to fraction form
   908,608.50/1,911,393 = 1,911,393/x
3. Step 3: Cross multiply
   908,608.50x = 1,911,393 × 1,911,393
4. Step 4: Simplify right side
   908,608.50x = 3,653,423,200,449
5. Step 5: Solve for x
   x = 3,653,423,200,449/908,608.50
6. Step 6: Final answer
   x = 4,020,899.21