Finding the Third Proportional to 1,447,653 and 2,129,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,653 : 2,129,328 = 2,129,328 : x
2. Step 2: Convert to fraction form
   1,447,653/2,129,328 = 2,129,328/x
3. Step 3: Cross multiply
   1,447,653x = 2,129,328 × 2,129,328
4. Step 4: Simplify right side
   1,447,653x = 4,534,037,731,584
5. Step 5: Solve for x
   x = 4,534,037,731,584/1,447,653
6. Step 6: Final answer
   x = 3,131,992.08