Finding the Third Proportional to 1,178,505 and 1,765,813

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,505 : 1,765,813 = 1,765,813 : x
2. Step 2: Convert to fraction form
   1,178,505/1,765,813 = 1,765,813/x
3. Step 3: Cross multiply
   1,178,505x = 1,765,813 × 1,765,813
4. Step 4: Simplify right side
   1,178,505x = 3,118,095,550,969
5. Step 5: Solve for x
   x = 3,118,095,550,969/1,178,505
6. Step 6: Final answer
   x = 2,645,805.96