Finding the Third Proportional to 455,685.75 and 997,191

Step by Step Solution

1. Step 1: Write the proportion equation
   455,685.75 : 997,191 = 997,191 : x
2. Step 2: Convert to fraction form
   455,685.75/997,191 = 997,191/x
3. Step 3: Cross multiply
   455,685.75x = 997,191 × 997,191
4. Step 4: Simplify right side
   455,685.75x = 994,389,890,481
5. Step 5: Solve for x
   x = 994,389,890,481/455,685.75
6. Step 6: Final answer
   x = 2,182,183.42