Finding the Third Proportional to 542,687 and 797,770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   542,687 : 797,770.50 = 797,770.50 : x
2. Step 2: Convert to fraction form
   542,687/797,770.50 = 797,770.50/x
3. Step 3: Cross multiply
   542,687x = 797,770.50 × 797,770.50
4. Step 4: Simplify right side
   542,687x = 636,437,770,670.25
5. Step 5: Solve for x
   x = 636,437,770,670.25/542,687
6. Step 6: Final answer
   x = 1,172,752.93