Finding the Third Proportional to 788,340 and 1,729,284

Step by Step Solution

1. Step 1: Write the proportion equation
   788,340 : 1,729,284 = 1,729,284 : x
2. Step 2: Convert to fraction form
   788,340/1,729,284 = 1,729,284/x
3. Step 3: Cross multiply
   788,340x = 1,729,284 × 1,729,284
4. Step 4: Simplify right side
   788,340x = 2,990,423,152,656
5. Step 5: Solve for x
   x = 2,990,423,152,656/788,340
6. Step 6: Final answer
   x = 3,793,316.53