Finding the Third Proportional to 738,248 and 1,055,688

Step by Step Solution

1. Step 1: Write the proportion equation
   738,248 : 1,055,688 = 1,055,688 : x
2. Step 2: Convert to fraction form
   738,248/1,055,688 = 1,055,688/x
3. Step 3: Cross multiply
   738,248x = 1,055,688 × 1,055,688
4. Step 4: Simplify right side
   738,248x = 1,114,477,153,344
5. Step 5: Solve for x
   x = 1,114,477,153,344/738,248
6. Step 6: Final answer
   x = 1,509,624.34