Finding the Third Proportional to 787,178 and 1,630,366

Step by Step Solution

1. Step 1: Write the proportion equation
   787,178 : 1,630,366 = 1,630,366 : x
2. Step 2: Convert to fraction form
   787,178/1,630,366 = 1,630,366/x
3. Step 3: Cross multiply
   787,178x = 1,630,366 × 1,630,366
4. Step 4: Simplify right side
   787,178x = 2,658,093,293,956
5. Step 5: Solve for x
   x = 2,658,093,293,956/787,178
6. Step 6: Final answer
   x = 3,376,737.27