Finding the Third Proportional to 272,085.75 and 590,778

Step by Step Solution

1. Step 1: Write the proportion equation
   272,085.75 : 590,778 = 590,778 : x
2. Step 2: Convert to fraction form
   272,085.75/590,778 = 590,778/x
3. Step 3: Cross multiply
   272,085.75x = 590,778 × 590,778
4. Step 4: Simplify right side
   272,085.75x = 349,018,645,284
5. Step 5: Solve for x
   x = 349,018,645,284/272,085.75
6. Step 6: Final answer
   x = 1,282,752.39