Finding the Third Proportional to 1,215,982 and 1,817,167

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,982 : 1,817,167 = 1,817,167 : x
2. Step 2: Convert to fraction form
   1,215,982/1,817,167 = 1,817,167/x
3. Step 3: Cross multiply
   1,215,982x = 1,817,167 × 1,817,167
4. Step 4: Simplify right side
   1,215,982x = 3,302,095,905,889
5. Step 5: Solve for x
   x = 3,302,095,905,889/1,215,982
6. Step 6: Final answer
   x = 2,715,579.59