Finding the Third Proportional to 630,258 and 906,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   630,258 : 906,019.50 = 906,019.50 : x
2. Step 2: Convert to fraction form
   630,258/906,019.50 = 906,019.50/x
3. Step 3: Cross multiply
   630,258x = 906,019.50 × 906,019.50
4. Step 4: Simplify right side
   630,258x = 820,871,334,380.25
5. Step 5: Solve for x
   x = 820,871,334,380.25/630,258
6. Step 6: Final answer
   x = 1,302,436.99