Finding the Third Proportional to 908,613,987 and 1,976,426,544

Step by Step Solution

1. Step 1: Write the proportion equation
   908,613,987 : 1,976,426,544 = 1,976,426,544 : x
2. Step 2: Convert to fraction form
   908,613,987/1,976,426,544 = 1,976,426,544/x
3. Step 3: Cross multiply
   908,613,987x = 1,976,426,544 × 1,976,426,544
4. Step 4: Simplify right side
   908,613,987x = 3,906,261,883,827,783,680
5. Step 5: Solve for x
   x = 3,906,261,883,827,783,680/908,613,987
6. Step 6: Final answer
   x = 4,299,143,464.35