Finding the Third Proportional to 236,281 and 518,492.75

Step by Step Solution

1. Step 1: Write the proportion equation
   236,281 : 518,492.75 = 518,492.75 : x
2. Step 2: Convert to fraction form
   236,281/518,492.75 = 518,492.75/x
3. Step 3: Cross multiply
   236,281x = 518,492.75 × 518,492.75
4. Step 4: Simplify right side
   236,281x = 268,834,731,802.56
5. Step 5: Solve for x
   x = 268,834,731,802.56/236,281
6. Step 6: Final answer
   x = 1,137,775.50