Finding the Third Proportional to 1,530,900 and 2,191,374

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530,900 : 2,191,374 = 2,191,374 : x
2. Step 2: Convert to fraction form
   1,530,900/2,191,374 = 2,191,374/x
3. Step 3: Cross multiply
   1,530,900x = 2,191,374 × 2,191,374
4. Step 4: Simplify right side
   1,530,900x = 4,802,120,007,876
5. Step 5: Solve for x
   x = 4,802,120,007,876/1,530,900
6. Step 6: Final answer
   x = 3,136,795.35