Finding the Third Proportional to 542,672 and 1,181,776

Step by Step Solution

1. Step 1: Write the proportion equation
   542,672 : 1,181,776 = 1,181,776 : x
2. Step 2: Convert to fraction form
   542,672/1,181,776 = 1,181,776/x
3. Step 3: Cross multiply
   542,672x = 1,181,776 × 1,181,776
4. Step 4: Simplify right side
   542,672x = 1,396,594,514,176
5. Step 5: Solve for x
   x = 1,396,594,514,176/542,672
6. Step 6: Final answer
   x = 2,573,551.82