Finding the Third Proportional to 456,070.50 and 978,558.75

Step by Step Solution

1. Step 1: Write the proportion equation
   456,070.50 : 978,558.75 = 978,558.75 : x
2. Step 2: Convert to fraction form
   456,070.50/978,558.75 = 978,558.75/x
3. Step 3: Cross multiply
   456,070.50x = 978,558.75 × 978,558.75
4. Step 4: Simplify right side
   456,070.50x = 957,577,227,201.56
5. Step 5: Solve for x
   x = 957,577,227,201.56/456,070.50
6. Step 6: Final answer
   x = 2,099,625.45