Finding the Third Proportional to 380,783 and 846,670

Step by Step Solution

1. Step 1: Write the proportion equation
   380,783 : 846,670 = 846,670 : x
2. Step 2: Convert to fraction form
   380,783/846,670 = 846,670/x
3. Step 3: Cross multiply
   380,783x = 846,670 × 846,670
4. Step 4: Simplify right side
   380,783x = 716,850,088,900
5. Step 5: Solve for x
   x = 716,850,088,900/380,783
6. Step 6: Final answer
   x = 1,882,568.52