Finding the Third Proportional to 179,076 and 389,784

Step by Step Solution

1. Step 1: Write the proportion equation
   179,076 : 389,784 = 389,784 : x
2. Step 2: Convert to fraction form
   179,076/389,784 = 389,784/x
3. Step 3: Cross multiply
   179,076x = 389,784 × 389,784
4. Step 4: Simplify right side
   179,076x = 151,931,566,656
5. Step 5: Solve for x
   x = 151,931,566,656/179,076
6. Step 6: Final answer
   x = 848,419.48