Finding the Third Proportional to 697,216 and 981,786

Step by Step Solution

1. Step 1: Write the proportion equation
   697,216 : 981,786 = 981,786 : x
2. Step 2: Convert to fraction form
   697,216/981,786 = 981,786/x
3. Step 3: Cross multiply
   697,216x = 981,786 × 981,786
4. Step 4: Simplify right side
   697,216x = 963,903,749,796
5. Step 5: Solve for x
   x = 963,903,749,796/697,216
6. Step 6: Final answer
   x = 1,382,503.77