Finding the Third Proportional to 648,248 and 1,025,646

Step by Step Solution

1. Step 1: Write the proportion equation
   648,248 : 1,025,646 = 1,025,646 : x
2. Step 2: Convert to fraction form
   648,248/1,025,646 = 1,025,646/x
3. Step 3: Cross multiply
   648,248x = 1,025,646 × 1,025,646
4. Step 4: Simplify right side
   648,248x = 1,051,949,717,316
5. Step 5: Solve for x
   x = 1,051,949,717,316/648,248
6. Step 6: Final answer
   x = 1,622,758.14