Finding the Third Proportional to 152,948 and 328,046

Step by Step Solution

1. Step 1: Write the proportion equation
   152,948 : 328,046 = 328,046 : x
2. Step 2: Convert to fraction form
   152,948/328,046 = 328,046/x
3. Step 3: Cross multiply
   152,948x = 328,046 × 328,046
4. Step 4: Simplify right side
   152,948x = 107,614,178,116
5. Step 5: Solve for x
   x = 107,614,178,116/152,948
6. Step 6: Final answer
   x = 703,599.77