Finding the Third Proportional to 362,786 and 784,672

Step by Step Solution

1. Step 1: Write the proportion equation
   362,786 : 784,672 = 784,672 : x
2. Step 2: Convert to fraction form
   362,786/784,672 = 784,672/x
3. Step 3: Cross multiply
   362,786x = 784,672 × 784,672
4. Step 4: Simplify right side
   362,786x = 615,710,147,584
5. Step 5: Solve for x
   x = 615,710,147,584/362,786
6. Step 6: Final answer
   x = 1,697,171.74