Finding the Third Proportional to 788,638 and 1,710,144

Step by Step Solution

1. Step 1: Write the proportion equation
   788,638 : 1,710,144 = 1,710,144 : x
2. Step 2: Convert to fraction form
   788,638/1,710,144 = 1,710,144/x
3. Step 3: Cross multiply
   788,638x = 1,710,144 × 1,710,144
4. Step 4: Simplify right side
   788,638x = 2,924,592,500,736
5. Step 5: Solve for x
   x = 2,924,592,500,736/788,638
6. Step 6: Final answer
   x = 3,708,409.31