Finding the Third Proportional to 1,057,336 and 1,507,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,336 : 1,507,272 = 1,507,272 : x
2. Step 2: Convert to fraction form
   1,057,336/1,507,272 = 1,507,272/x
3. Step 3: Cross multiply
   1,057,336x = 1,507,272 × 1,507,272
4. Step 4: Simplify right side
   1,057,336x = 2,271,868,881,984
5. Step 5: Solve for x
   x = 2,271,868,881,984/1,057,336
6. Step 6: Final answer
   x = 2,148,672.59