Finding the Third Proportional to 776,988 and 1,199,988

Step by Step Solution

1. Step 1: Write the proportion equation
   776,988 : 1,199,988 = 1,199,988 : x
2. Step 2: Convert to fraction form
   776,988/1,199,988 = 1,199,988/x
3. Step 3: Cross multiply
   776,988x = 1,199,988 × 1,199,988
4. Step 4: Simplify right side
   776,988x = 1,439,971,200,144
5. Step 5: Solve for x
   x = 1,439,971,200,144/776,988
6. Step 6: Final answer
   x = 1,853,273.41