Finding the Third Proportional to 152,362 and 328,138

Step by Step Solution

1. Step 1: Write the proportion equation
   152,362 : 328,138 = 328,138 : x
2. Step 2: Convert to fraction form
   152,362/328,138 = 328,138/x
3. Step 3: Cross multiply
   152,362x = 328,138 × 328,138
4. Step 4: Simplify right side
   152,362x = 107,674,547,044
5. Step 5: Solve for x
   x = 107,674,547,044/152,362
6. Step 6: Final answer
   x = 706,702.11