Finding the Third Proportional to 542,430 and 1,134,432

Step by Step Solution

1. Step 1: Write the proportion equation
   542,430 : 1,134,432 = 1,134,432 : x
2. Step 2: Convert to fraction form
   542,430/1,134,432 = 1,134,432/x
3. Step 3: Cross multiply
   542,430x = 1,134,432 × 1,134,432
4. Step 4: Simplify right side
   542,430x = 1,286,935,962,624
5. Step 5: Solve for x
   x = 1,286,935,962,624/542,430
6. Step 6: Final answer
   x = 2,372,538.32