Finding the Third Proportional to 788,170 and 1,222,916

Step by Step Solution

1. Step 1: Write the proportion equation
   788,170 : 1,222,916 = 1,222,916 : x
2. Step 2: Convert to fraction form
   788,170/1,222,916 = 1,222,916/x
3. Step 3: Cross multiply
   788,170x = 1,222,916 × 1,222,916
4. Step 4: Simplify right side
   788,170x = 1,495,523,543,056
5. Step 5: Solve for x
   x = 1,495,523,543,056/788,170
6. Step 6: Final answer
   x = 1,897,463.17