Finding the Third Proportional to 152,688 and 230,706

Step by Step Solution

1. Step 1: Write the proportion equation
   152,688 : 230,706 = 230,706 : x
2. Step 2: Convert to fraction form
   152,688/230,706 = 230,706/x
3. Step 3: Cross multiply
   152,688x = 230,706 × 230,706
4. Step 4: Simplify right side
   152,688x = 53,225,258,436
5. Step 5: Solve for x
   x = 53,225,258,436/152,688
6. Step 6: Final answer
   x = 348,588.35