Finding the Third Proportional to 580,783.50 and 879,930

Step by Step Solution

1. Step 1: Write the proportion equation
   580,783.50 : 879,930 = 879,930 : x
2. Step 2: Convert to fraction form
   580,783.50/879,930 = 879,930/x
3. Step 3: Cross multiply
   580,783.50x = 879,930 × 879,930
4. Step 4: Simplify right side
   580,783.50x = 774,276,804,900
5. Step 5: Solve for x
   x = 774,276,804,900/580,783.50
6. Step 6: Final answer
   x = 1,333,159.09