Finding the Third Proportional to 555,148 and 1,192,900

Step by Step Solution

1. Step 1: Write the proportion equation
   555,148 : 1,192,900 = 1,192,900 : x
2. Step 2: Convert to fraction form
   555,148/1,192,900 = 1,192,900/x
3. Step 3: Cross multiply
   555,148x = 1,192,900 × 1,192,900
4. Step 4: Simplify right side
   555,148x = 1,423,010,410,000
5. Step 5: Solve for x
   x = 1,423,010,410,000/555,148
6. Step 6: Final answer
   x = 2,563,299.17