Finding the Third Proportional to 542,700 and 797,789.25

Step by Step Solution

1. Step 1: Write the proportion equation
   542,700 : 797,789.25 = 797,789.25 : x
2. Step 2: Convert to fraction form
   542,700/797,789.25 = 797,789.25/x
3. Step 3: Cross multiply
   542,700x = 797,789.25 × 797,789.25
4. Step 4: Simplify right side
   542,700x = 636,467,687,415.56
5. Step 5: Solve for x
   x = 636,467,687,415.56/542,700
6. Step 6: Final answer
   x = 1,172,779.97