Finding the Third Proportional to 802,911 and 1,174,212

Step by Step Solution

1. Step 1: Write the proportion equation
   802,911 : 1,174,212 = 1,174,212 : x
2. Step 2: Convert to fraction form
   802,911/1,174,212 = 1,174,212/x
3. Step 3: Cross multiply
   802,911x = 1,174,212 × 1,174,212
4. Step 4: Simplify right side
   802,911x = 1,378,773,820,944
5. Step 5: Solve for x
   x = 1,378,773,820,944/802,911
6. Step 6: Final answer
   x = 1,717,218.75