Finding the Third Proportional to 550,597.50 and 1,021,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,597.50 : 1,021,090.50 = 1,021,090.50 : x
2. Step 2: Convert to fraction form
   550,597.50/1,021,090.50 = 1,021,090.50/x
3. Step 3: Cross multiply
   550,597.50x = 1,021,090.50 × 1,021,090.50
4. Step 4: Simplify right side
   550,597.50x = 1,042,625,809,190.25
5. Step 5: Solve for x
   x = 1,042,625,809,190.25/550,597.50
6. Step 6: Final answer
   x = 1,893,626.12