Finding the Third Proportional to 864,402 and 1,248,798

Step by Step Solution

1. Step 1: Write the proportion equation
   864,402 : 1,248,798 = 1,248,798 : x
2. Step 2: Convert to fraction form
   864,402/1,248,798 = 1,248,798/x
3. Step 3: Cross multiply
   864,402x = 1,248,798 × 1,248,798
4. Step 4: Simplify right side
   864,402x = 1,559,496,444,804
5. Step 5: Solve for x
   x = 1,559,496,444,804/864,402
6. Step 6: Final answer
   x = 1,804,133.31