Finding the Third Proportional to 656,392 and 1,434,272

Step by Step Solution

1. Step 1: Write the proportion equation
   656,392 : 1,434,272 = 1,434,272 : x
2. Step 2: Convert to fraction form
   656,392/1,434,272 = 1,434,272/x
3. Step 3: Cross multiply
   656,392x = 1,434,272 × 1,434,272
4. Step 4: Simplify right side
   656,392x = 2,057,136,169,984
5. Step 5: Solve for x
   x = 2,057,136,169,984/656,392
6. Step 6: Final answer
   x = 3,134,005.55