Finding the Third Proportional to 456,068 and 978,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   456,068 : 978,557.50 = 978,557.50 : x
2. Step 2: Convert to fraction form
   456,068/978,557.50 = 978,557.50/x
3. Step 3: Cross multiply
   456,068x = 978,557.50 × 978,557.50
4. Step 4: Simplify right side
   456,068x = 957,574,780,806.25
5. Step 5: Solve for x
   x = 957,574,780,806.25/456,068
6. Step 6: Final answer
   x = 2,099,631.59