Finding the Third Proportional to 908,810 and 1,911,634

Step by Step Solution

1. Step 1: Write the proportion equation
   908,810 : 1,911,634 = 1,911,634 : x
2. Step 2: Convert to fraction form
   908,810/1,911,634 = 1,911,634/x
3. Step 3: Cross multiply
   908,810x = 1,911,634 × 1,911,634
4. Step 4: Simplify right side
   908,810x = 3,654,344,549,956
5. Step 5: Solve for x
   x = 3,654,344,549,956/908,810
6. Step 6: Final answer
   x = 4,021,021.50