Finding the Third Proportional to 231,870 and 368,844

Step by Step Solution

1. Step 1: Write the proportion equation
   231,870 : 368,844 = 368,844 : x
2. Step 2: Convert to fraction form
   231,870/368,844 = 368,844/x
3. Step 3: Cross multiply
   231,870x = 368,844 × 368,844
4. Step 4: Simplify right side
   231,870x = 136,045,896,336
5. Step 5: Solve for x
   x = 136,045,896,336/231,870
6. Step 6: Final answer
   x = 586,733.50