Finding the Third Proportional to 157,556.50 and 345,726

Step by Step Solution

1. Step 1: Write the proportion equation
   157,556.50 : 345,726 = 345,726 : x
2. Step 2: Convert to fraction form
   157,556.50/345,726 = 345,726/x
3. Step 3: Cross multiply
   157,556.50x = 345,726 × 345,726
4. Step 4: Simplify right side
   157,556.50x = 119,526,467,076
5. Step 5: Solve for x
   x = 119,526,467,076/157,556.50
6. Step 6: Final answer
   x = 758,626.06