Finding the Third Proportional to 781,310 and 1,673,212

Step by Step Solution

1. Step 1: Write the proportion equation
   781,310 : 1,673,212 = 1,673,212 : x
2. Step 2: Convert to fraction form
   781,310/1,673,212 = 1,673,212/x
3. Step 3: Cross multiply
   781,310x = 1,673,212 × 1,673,212
4. Step 4: Simplify right side
   781,310x = 2,799,638,396,944
5. Step 5: Solve for x
   x = 2,799,638,396,944/781,310
6. Step 6: Final answer
   x = 3,583,261.95