Finding the Third Proportional to 455,112 and 997,701.75

Step by Step Solution

1. Step 1: Write the proportion equation
   455,112 : 997,701.75 = 997,701.75 : x
2. Step 2: Convert to fraction form
   455,112/997,701.75 = 997,701.75/x
3. Step 3: Cross multiply
   455,112x = 997,701.75 × 997,701.75
4. Step 4: Simplify right side
   455,112x = 995,408,781,953.06
5. Step 5: Solve for x
   x = 995,408,781,953.06/455,112
6. Step 6: Final answer
   x = 2,187,173.23