Finding the Third Proportional to 300,066 and 651,648

Step by Step Solution

1. Step 1: Write the proportion equation
   300,066 : 651,648 = 651,648 : x
2. Step 2: Convert to fraction form
   300,066/651,648 = 651,648/x
3. Step 3: Cross multiply
   300,066x = 651,648 × 651,648
4. Step 4: Simplify right side
   300,066x = 424,645,115,904
5. Step 5: Solve for x
   x = 424,645,115,904/300,066
6. Step 6: Final answer
   x = 1,415,172.38