Finding the Third Proportional to 744,445 and 1,630,665

Step by Step Solution

1. Step 1: Write the proportion equation
   744,445 : 1,630,665 = 1,630,665 : x
2. Step 2: Convert to fraction form
   744,445/1,630,665 = 1,630,665/x
3. Step 3: Cross multiply
   744,445x = 1,630,665 × 1,630,665
4. Step 4: Simplify right side
   744,445x = 2,659,068,342,225
5. Step 5: Solve for x
   x = 2,659,068,342,225/744,445
6. Step 6: Final answer
   x = 3,571,880.18