Finding the Third Proportional to 152,610 and 209,124.75

Step by Step Solution

1. Step 1: Write the proportion equation
   152,610 : 209,124.75 = 209,124.75 : x
2. Step 2: Convert to fraction form
   152,610/209,124.75 = 209,124.75/x
3. Step 3: Cross multiply
   152,610x = 209,124.75 × 209,124.75
4. Step 4: Simplify right side
   152,610x = 43,733,161,062.56
5. Step 5: Solve for x
   x = 43,733,161,062.56/152,610
6. Step 6: Final answer
   x = 286,568.12