Finding the Third Proportional to 1,057,320 and 1,507,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,320 : 1,507,248 = 1,507,248 : x
2. Step 2: Convert to fraction form
   1,057,320/1,507,248 = 1,507,248/x
3. Step 3: Cross multiply
   1,057,320x = 1,507,248 × 1,507,248
4. Step 4: Simplify right side
   1,057,320x = 2,271,796,533,504
5. Step 5: Solve for x
   x = 2,271,796,533,504/1,057,320
6. Step 6: Final answer
   x = 2,148,636.68