Finding the Third Proportional to 1,455,192 and 3,142,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455,192 : 3,142,128 = 3,142,128 : x
2. Step 2: Convert to fraction form
   1,455,192/3,142,128 = 3,142,128/x
3. Step 3: Cross multiply
   1,455,192x = 3,142,128 × 3,142,128
4. Step 4: Simplify right side
   1,455,192x = 9,872,968,368,384
5. Step 5: Solve for x
   x = 9,872,968,368,384/1,455,192
6. Step 6: Final answer
   x = 6,784,649.98