Finding the Third Proportional to 788,173 and 1,222,920

Step by Step Solution

1. Step 1: Write the proportion equation
   788,173 : 1,222,920 = 1,222,920 : x
2. Step 2: Convert to fraction form
   788,173/1,222,920 = 1,222,920/x
3. Step 3: Cross multiply
   788,173x = 1,222,920 × 1,222,920
4. Step 4: Simplify right side
   788,173x = 1,495,533,326,400
5. Step 5: Solve for x
   x = 1,495,533,326,400/788,173
6. Step 6: Final answer
   x = 1,897,468.36