Finding the Third Proportional to 1,339,312 and 2,811,292

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,312 : 2,811,292 = 2,811,292 : x
2. Step 2: Convert to fraction form
   1,339,312/2,811,292 = 2,811,292/x
3. Step 3: Cross multiply
   1,339,312x = 2,811,292 × 2,811,292
4. Step 4: Simplify right side
   1,339,312x = 7,903,362,709,264
5. Step 5: Solve for x
   x = 7,903,362,709,264/1,339,312
6. Step 6: Final answer
   x = 5,901,061.67