Finding the Third Proportional to 649,312 and 1,415,264

Step by Step Solution

1. Step 1: Write the proportion equation
   649,312 : 1,415,264 = 1,415,264 : x
2. Step 2: Convert to fraction form
   649,312/1,415,264 = 1,415,264/x
3. Step 3: Cross multiply
   649,312x = 1,415,264 × 1,415,264
4. Step 4: Simplify right side
   649,312x = 2,002,972,189,696
5. Step 5: Solve for x
   x = 2,002,972,189,696/649,312
6. Step 6: Final answer
   x = 3,084,760.78