Finding the Third Proportional to 380,700 and 602,390.25

Step by Step Solution

1. Step 1: Write the proportion equation
   380,700 : 602,390.25 = 602,390.25 : x
2. Step 2: Convert to fraction form
   380,700/602,390.25 = 602,390.25/x
3. Step 3: Cross multiply
   380,700x = 602,390.25 × 602,390.25
4. Step 4: Simplify right side
   380,700x = 362,874,013,295.06
5. Step 5: Solve for x
   x = 362,874,013,295.06/380,700
6. Step 6: Final answer
   x = 953,175.76