Finding the Third Proportional to 1,217,684 and 1,910,118

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,684 : 1,910,118 = 1,910,118 : x
2. Step 2: Convert to fraction form
   1,217,684/1,910,118 = 1,910,118/x
3. Step 3: Cross multiply
   1,217,684x = 1,910,118 × 1,910,118
4. Step 4: Simplify right side
   1,217,684x = 3,648,550,773,924
5. Step 5: Solve for x
   x = 3,648,550,773,924/1,217,684
6. Step 6: Final answer
   x = 2,996,303.45