Finding the Third Proportional to 542,002 and 805,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   542,002 : 805,145.50 = 805,145.50 : x
2. Step 2: Convert to fraction form
   542,002/805,145.50 = 805,145.50/x
3. Step 3: Cross multiply
   542,002x = 805,145.50 × 805,145.50
4. Step 4: Simplify right side
   542,002x = 648,259,276,170.25
5. Step 5: Solve for x
   x = 648,259,276,170.25/542,002
6. Step 6: Final answer
   x = 1,196,045.91