Finding the Third Proportional to 555,056 and 1,203,432

Step by Step Solution

1. Step 1: Write the proportion equation
   555,056 : 1,203,432 = 1,203,432 : x
2. Step 2: Convert to fraction form
   555,056/1,203,432 = 1,203,432/x
3. Step 3: Cross multiply
   555,056x = 1,203,432 × 1,203,432
4. Step 4: Simplify right side
   555,056x = 1,448,248,578,624
5. Step 5: Solve for x
   x = 1,448,248,578,624/555,056
6. Step 6: Final answer
   x = 2,609,193.63