Finding the Third Proportional to 548,308 and 1,269,242

Step by Step Solution

1. Step 1: Write the proportion equation
   548,308 : 1,269,242 = 1,269,242 : x
2. Step 2: Convert to fraction form
   548,308/1,269,242 = 1,269,242/x
3. Step 3: Cross multiply
   548,308x = 1,269,242 × 1,269,242
4. Step 4: Simplify right side
   548,308x = 1,610,975,254,564
5. Step 5: Solve for x
   x = 1,610,975,254,564/548,308
6. Step 6: Final answer
   x = 2,938,084.53