Finding the Third Proportional to 648,846 and 1,387,368

Step by Step Solution

1. Step 1: Write the proportion equation
   648,846 : 1,387,368 = 1,387,368 : x
2. Step 2: Convert to fraction form
   648,846/1,387,368 = 1,387,368/x
3. Step 3: Cross multiply
   648,846x = 1,387,368 × 1,387,368
4. Step 4: Simplify right side
   648,846x = 1,924,789,967,424
5. Step 5: Solve for x
   x = 1,924,789,967,424/648,846
6. Step 6: Final answer
   x = 2,966,481.98