Finding the Third Proportional to 550,425 and 1,116,345

Step by Step Solution

1. Step 1: Write the proportion equation
   550,425 : 1,116,345 = 1,116,345 : x
2. Step 2: Convert to fraction form
   550,425/1,116,345 = 1,116,345/x
3. Step 3: Cross multiply
   550,425x = 1,116,345 × 1,116,345
4. Step 4: Simplify right side
   550,425x = 1,246,226,159,025
5. Step 5: Solve for x
   x = 1,246,226,159,025/550,425
6. Step 6: Final answer
   x = 2,264,116.20