Finding the Third Proportional to 527,219 and 798,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   527,219 : 798,222.50 = 798,222.50 : x
2. Step 2: Convert to fraction form
   527,219/798,222.50 = 798,222.50/x
3. Step 3: Cross multiply
   527,219x = 798,222.50 × 798,222.50
4. Step 4: Simplify right side
   527,219x = 637,159,159,506.25
5. Step 5: Solve for x
   x = 637,159,159,506.25/527,219
6. Step 6: Final answer
   x = 1,208,528.45