Finding the Third Proportional to 412,992 and 848,218.50

Step by Step Solution

1. Step 1: Write the proportion equation
   412,992 : 848,218.50 = 848,218.50 : x
2. Step 2: Convert to fraction form
   412,992/848,218.50 = 848,218.50/x
3. Step 3: Cross multiply
   412,992x = 848,218.50 × 848,218.50
4. Step 4: Simplify right side
   412,992x = 719,474,623,742.25
5. Step 5: Solve for x
   x = 719,474,623,742.25/412,992
6. Step 6: Final answer
   x = 1,742,103.05