Finding the Third Proportional to 1,398,246 and 2,979,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,246 : 2,979,516 = 2,979,516 : x
2. Step 2: Convert to fraction form
   1,398,246/2,979,516 = 2,979,516/x
3. Step 3: Cross multiply
   1,398,246x = 2,979,516 × 2,979,516
4. Step 4: Simplify right side
   1,398,246x = 8,877,515,594,256
5. Step 5: Solve for x
   x = 8,877,515,594,256/1,398,246
6. Step 6: Final answer
   x = 6,349,037.00