Finding the Third Proportional to 1,235,912 and 1,655,340

Step by Step Solution

1. Step 1: Write the proportion equation
   1,235,912 : 1,655,340 = 1,655,340 : x
2. Step 2: Convert to fraction form
   1,235,912/1,655,340 = 1,655,340/x
3. Step 3: Cross multiply
   1,235,912x = 1,655,340 × 1,655,340
4. Step 4: Simplify right side
   1,235,912x = 2,740,150,515,600
5. Step 5: Solve for x
   x = 2,740,150,515,600/1,235,912
6. Step 6: Final answer
   x = 2,217,108.11