Finding the Third Proportional to 542,484 and 1,188,310

Step by Step Solution

1. Step 1: Write the proportion equation
   542,484 : 1,188,310 = 1,188,310 : x
2. Step 2: Convert to fraction form
   542,484/1,188,310 = 1,188,310/x
3. Step 3: Cross multiply
   542,484x = 1,188,310 × 1,188,310
4. Step 4: Simplify right side
   542,484x = 1,412,080,656,100
5. Step 5: Solve for x
   x = 1,412,080,656,100/542,484
6. Step 6: Final answer
   x = 2,602,990.42