Finding the Third Proportional to 651,312 and 1,420,128

Step by Step Solution

1. Step 1: Write the proportion equation
   651,312 : 1,420,128 = 1,420,128 : x
2. Step 2: Convert to fraction form
   651,312/1,420,128 = 1,420,128/x
3. Step 3: Cross multiply
   651,312x = 1,420,128 × 1,420,128
4. Step 4: Simplify right side
   651,312x = 2,016,763,536,384
5. Step 5: Solve for x
   x = 2,016,763,536,384/651,312
6. Step 6: Final answer
   x = 3,096,463.04