Finding the Third Proportional to 458,136 and 997,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   458,136 : 997,588.50 = 997,588.50 : x
2. Step 2: Convert to fraction form
   458,136/997,588.50 = 997,588.50/x
3. Step 3: Cross multiply
   458,136x = 997,588.50 × 997,588.50
4. Step 4: Simplify right side
   458,136x = 995,182,815,332.25
5. Step 5: Solve for x
   x = 995,182,815,332.25/458,136
6. Step 6: Final answer
   x = 2,172,243.21