Finding the Third Proportional to 677,192 and 1,410,435

Step by Step Solution

1. Step 1: Write the proportion equation
   677,192 : 1,410,435 = 1,410,435 : x
2. Step 2: Convert to fraction form
   677,192/1,410,435 = 1,410,435/x
3. Step 3: Cross multiply
   677,192x = 1,410,435 × 1,410,435
4. Step 4: Simplify right side
   677,192x = 1,989,326,889,225
5. Step 5: Solve for x
   x = 1,989,326,889,225/677,192
6. Step 6: Final answer
   x = 2,937,611.33