Finding the Third Proportional to 1,121,478 and 2,432,253

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,478 : 2,432,253 = 2,432,253 : x
2. Step 2: Convert to fraction form
   1,121,478/2,432,253 = 2,432,253/x
3. Step 3: Cross multiply
   1,121,478x = 2,432,253 × 2,432,253
4. Step 4: Simplify right side
   1,121,478x = 5,915,854,656,009
5. Step 5: Solve for x
   x = 5,915,854,656,009/1,121,478
6. Step 6: Final answer
   x = 5,275,051.90