Finding the Third Proportional to 1,447,602 and 2,129,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,602 : 2,129,256 = 2,129,256 : x
2. Step 2: Convert to fraction form
   1,447,602/2,129,256 = 2,129,256/x
3. Step 3: Cross multiply
   1,447,602x = 2,129,256 × 2,129,256
4. Step 4: Simplify right side
   1,447,602x = 4,533,731,113,536
5. Step 5: Solve for x
   x = 4,533,731,113,536/1,447,602
6. Step 6: Final answer
   x = 3,131,890.61