Finding the Third Proportional to 1,217,490 and 1,633,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,490 : 1,633,230 = 1,633,230 : x
2. Step 2: Convert to fraction form
   1,217,490/1,633,230 = 1,633,230/x
3. Step 3: Cross multiply
   1,217,490x = 1,633,230 × 1,633,230
4. Step 4: Simplify right side
   1,217,490x = 2,667,440,232,900
5. Step 5: Solve for x
   x = 2,667,440,232,900/1,217,490
6. Step 6: Final answer
   x = 2,190,934.00