Finding the Third Proportional to 152,964 and 328,072

Step by Step Solution

1. Step 1: Write the proportion equation
   152,964 : 328,072 = 328,072 : x
2. Step 2: Convert to fraction form
   152,964/328,072 = 328,072/x
3. Step 3: Cross multiply
   152,964x = 328,072 × 328,072
4. Step 4: Simplify right side
   152,964x = 107,631,237,184
5. Step 5: Solve for x
   x = 107,631,237,184/152,964
6. Step 6: Final answer
   x = 703,637.70