Finding the Third Proportional to 152,972 and 328,084

Step by Step Solution

1. Step 1: Write the proportion equation
   152,972 : 328,084 = 328,084 : x
2. Step 2: Convert to fraction form
   152,972/328,084 = 328,084/x
3. Step 3: Cross multiply
   152,972x = 328,084 × 328,084
4. Step 4: Simplify right side
   152,972x = 107,639,111,056
5. Step 5: Solve for x
   x = 107,639,111,056/152,972
6. Step 6: Final answer
   x = 703,652.37