Finding the Third Proportional to 692,111.25 and 1,047,390.75

Step by Step Solution

1. Step 1: Write the proportion equation
   692,111.25 : 1,047,390.75 = 1,047,390.75 : x
2. Step 2: Convert to fraction form
   692,111.25/1,047,390.75 = 1,047,390.75/x
3. Step 3: Cross multiply
   692,111.25x = 1,047,390.75 × 1,047,390.75
4. Step 4: Simplify right side
   692,111.25x = 1,097,027,383,185.56
5. Step 5: Solve for x
   x = 1,097,027,383,185.56/692,111.25
6. Step 6: Final answer
   x = 1,585,044.87