Finding the Third Proportional to 787,172 and 1,630,356

Step by Step Solution

1. Step 1: Write the proportion equation
   787,172 : 1,630,356 = 1,630,356 : x
2. Step 2: Convert to fraction form
   787,172/1,630,356 = 1,630,356/x
3. Step 3: Cross multiply
   787,172x = 1,630,356 × 1,630,356
4. Step 4: Simplify right side
   787,172x = 2,658,060,686,736
5. Step 5: Solve for x
   x = 2,658,060,686,736/787,172
6. Step 6: Final answer
   x = 3,376,721.59