Finding the Third Proportional to 612,794 and 915,483

Step by Step Solution

1. Step 1: Write the proportion equation
   612,794 : 915,483 = 915,483 : x
2. Step 2: Convert to fraction form
   612,794/915,483 = 915,483/x
3. Step 3: Cross multiply
   612,794x = 915,483 × 915,483
4. Step 4: Simplify right side
   612,794x = 838,109,123,289
5. Step 5: Solve for x
   x = 838,109,123,289/612,794
6. Step 6: Final answer
   x = 1,367,684.94