Finding the Third Proportional to 173,870 and 370,706

Step by Step Solution

1. Step 1: Write the proportion equation
   173,870 : 370,706 = 370,706 : x
2. Step 2: Convert to fraction form
   173,870/370,706 = 370,706/x
3. Step 3: Cross multiply
   173,870x = 370,706 × 370,706
4. Step 4: Simplify right side
   173,870x = 137,422,938,436
5. Step 5: Solve for x
   x = 137,422,938,436/173,870
6. Step 6: Final answer
   x = 790,377.51