Finding the Third Proportional to 550,309.50 and 1,201,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,309.50 : 1,201,492.50 = 1,201,492.50 : x
2. Step 2: Convert to fraction form
   550,309.50/1,201,492.50 = 1,201,492.50/x
3. Step 3: Cross multiply
   550,309.50x = 1,201,492.50 × 1,201,492.50
4. Step 4: Simplify right side
   550,309.50x = 1,443,584,227,556.25
5. Step 5: Solve for x
   x = 1,443,584,227,556.25/550,309.50
6. Step 6: Final answer
   x = 2,623,222.44