Finding the Third Proportional to 1,308,312 and 2,865,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308,312 : 2,865,456 = 2,865,456 : x
2. Step 2: Convert to fraction form
   1,308,312/2,865,456 = 2,865,456/x
3. Step 3: Cross multiply
   1,308,312x = 2,865,456 × 2,865,456
4. Step 4: Simplify right side
   1,308,312x = 8,210,838,087,936
5. Step 5: Solve for x
   x = 8,210,838,087,936/1,308,312
6. Step 6: Final answer
   x = 6,275,902.15