Finding the Third Proportional to 509,247 and 1,116,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   509,247 : 1,116,427.50 = 1,116,427.50 : x
2. Step 2: Convert to fraction form
   509,247/1,116,427.50 = 1,116,427.50/x
3. Step 3: Cross multiply
   509,247x = 1,116,427.50 × 1,116,427.50
4. Step 4: Simplify right side
   509,247x = 1,246,410,362,756.25
5. Step 5: Solve for x
   x = 1,246,410,362,756.25/509,247
6. Step 6: Final answer
   x = 2,447,555.63