Finding the Third Proportional to 451,840.50 and 978,068

Step by Step Solution

1. Step 1: Write the proportion equation
   451,840.50 : 978,068 = 978,068 : x
2. Step 2: Convert to fraction form
   451,840.50/978,068 = 978,068/x
3. Step 3: Cross multiply
   451,840.50x = 978,068 × 978,068
4. Step 4: Simplify right side
   451,840.50x = 956,617,012,624
5. Step 5: Solve for x
   x = 956,617,012,624/451,840.50
6. Step 6: Final answer
   x = 2,117,156.41