Finding the Third Proportional to 542,374 and 1,188,140

Step by Step Solution

1. Step 1: Write the proportion equation
   542,374 : 1,188,140 = 1,188,140 : x
2. Step 2: Convert to fraction form
   542,374/1,188,140 = 1,188,140/x
3. Step 3: Cross multiply
   542,374x = 1,188,140 × 1,188,140
4. Step 4: Simplify right side
   542,374x = 1,411,676,659,600
5. Step 5: Solve for x
   x = 1,411,676,659,600/542,374
6. Step 6: Final answer
   x = 2,602,773.47