Finding the Third Proportional to 557,572 and 1,187,072

Step by Step Solution

1. Step 1: Write the proportion equation
   557,572 : 1,187,072 = 1,187,072 : x
2. Step 2: Convert to fraction form
   557,572/1,187,072 = 1,187,072/x
3. Step 3: Cross multiply
   557,572x = 1,187,072 × 1,187,072
4. Step 4: Simplify right side
   557,572x = 1,409,139,933,184
5. Step 5: Solve for x
   x = 1,409,139,933,184/557,572
6. Step 6: Final answer
   x = 2,527,278.87