Finding the Third Proportional to 152,616 and 209,133

Step by Step Solution

1. Step 1: Write the proportion equation
   152,616 : 209,133 = 209,133 : x
2. Step 2: Convert to fraction form
   152,616/209,133 = 209,133/x
3. Step 3: Cross multiply
   152,616x = 209,133 × 209,133
4. Step 4: Simplify right side
   152,616x = 43,736,611,689
5. Step 5: Solve for x
   x = 43,736,611,689/152,616
6. Step 6: Final answer
   x = 286,579.47