Finding the Third Proportional to 547,085.50 and 879,010

Step by Step Solution

1. Step 1: Write the proportion equation
   547,085.50 : 879,010 = 879,010 : x
2. Step 2: Convert to fraction form
   547,085.50/879,010 = 879,010/x
3. Step 3: Cross multiply
   547,085.50x = 879,010 × 879,010
4. Step 4: Simplify right side
   547,085.50x = 772,658,580,100
5. Step 5: Solve for x
   x = 772,658,580,100/547,085.50
6. Step 6: Final answer
   x = 1,412,317.78