Finding the Third Proportional to 542,370 and 1,188,132

Step by Step Solution

1. Step 1: Write the proportion equation
   542,370 : 1,188,132 = 1,188,132 : x
2. Step 2: Convert to fraction form
   542,370/1,188,132 = 1,188,132/x
3. Step 3: Cross multiply
   542,370x = 1,188,132 × 1,188,132
4. Step 4: Simplify right side
   542,370x = 1,411,657,649,424
5. Step 5: Solve for x
   x = 1,411,657,649,424/542,370
6. Step 6: Final answer
   x = 2,602,757.62