Finding the Third Proportional to 864,218 and 1,244,938

Step by Step Solution

1. Step 1: Write the proportion equation
   864,218 : 1,244,938 = 1,244,938 : x
2. Step 2: Convert to fraction form
   864,218/1,244,938 = 1,244,938/x
3. Step 3: Cross multiply
   864,218x = 1,244,938 × 1,244,938
4. Step 4: Simplify right side
   864,218x = 1,549,870,623,844
5. Step 5: Solve for x
   x = 1,549,870,623,844/864,218
6. Step 6: Final answer
   x = 1,793,379.24