Finding the Third Proportional to 550,588 and 1,219,092.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,588 : 1,219,092.50 = 1,219,092.50 : x
2. Step 2: Convert to fraction form
   550,588/1,219,092.50 = 1,219,092.50/x
3. Step 3: Cross multiply
   550,588x = 1,219,092.50 × 1,219,092.50
4. Step 4: Simplify right side
   550,588x = 1,486,186,523,556.25
5. Step 5: Solve for x
   x = 1,486,186,523,556.25/550,588
6. Step 6: Final answer
   x = 2,699,271.55