Finding the Third Proportional to 691,904 and 1,037,856

Step by Step Solution

1. Step 1: Write the proportion equation
   691,904 : 1,037,856 = 1,037,856 : x
2. Step 2: Convert to fraction form
   691,904/1,037,856 = 1,037,856/x
3. Step 3: Cross multiply
   691,904x = 1,037,856 × 1,037,856
4. Step 4: Simplify right side
   691,904x = 1,077,145,076,736
5. Step 5: Solve for x
   x = 1,077,145,076,736/691,904
6. Step 6: Final answer
   x = 1,556,784