Finding the Third Proportional to 458,091 and 997,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   458,091 : 997,507.50 = 997,507.50 : x
2. Step 2: Convert to fraction form
   458,091/997,507.50 = 997,507.50/x
3. Step 3: Cross multiply
   458,091x = 997,507.50 × 997,507.50
4. Step 4: Simplify right side
   458,091x = 995,021,212,556.25
5. Step 5: Solve for x
   x = 995,021,212,556.25/458,091
6. Step 6: Final answer
   x = 2,172,103.82