Finding the Third Proportional to 555,412 and 1,150,207

Step by Step Solution

1. Step 1: Write the proportion equation
   555,412 : 1,150,207 = 1,150,207 : x
2. Step 2: Convert to fraction form
   555,412/1,150,207 = 1,150,207/x
3. Step 3: Cross multiply
   555,412x = 1,150,207 × 1,150,207
4. Step 4: Simplify right side
   555,412x = 1,322,976,142,849
5. Step 5: Solve for x
   x = 1,322,976,142,849/555,412
6. Step 6: Final answer
   x = 2,381,972.56