Finding the Third Proportional to 630,703.50 and 978,450

Step by Step Solution

1. Step 1: Write the proportion equation
   630,703.50 : 978,450 = 978,450 : x
2. Step 2: Convert to fraction form
   630,703.50/978,450 = 978,450/x
3. Step 3: Cross multiply
   630,703.50x = 978,450 × 978,450
4. Step 4: Simplify right side
   630,703.50x = 957,364,402,500
5. Step 5: Solve for x
   x = 957,364,402,500/630,703.50
6. Step 6: Final answer
   x = 1,517,931.01