Finding the Third Proportional to 152,953.50 and 328,056

Step by Step Solution

1. Step 1: Write the proportion equation
   152,953.50 : 328,056 = 328,056 : x
2. Step 2: Convert to fraction form
   152,953.50/328,056 = 328,056/x
3. Step 3: Cross multiply
   152,953.50x = 328,056 × 328,056
4. Step 4: Simplify right side
   152,953.50x = 107,620,739,136
5. Step 5: Solve for x
   x = 107,620,739,136/152,953.50
6. Step 6: Final answer
   x = 703,617.37