Finding the Third Proportional to 152,372 and 328,070

Step by Step Solution

1. Step 1: Write the proportion equation
   152,372 : 328,070 = 328,070 : x
2. Step 2: Convert to fraction form
   152,372/328,070 = 328,070/x
3. Step 3: Cross multiply
   152,372x = 328,070 × 328,070
4. Step 4: Simplify right side
   152,372x = 107,629,924,900
5. Step 5: Solve for x
   x = 107,629,924,900/152,372
6. Step 6: Final answer
   x = 706,362.88