Finding the Third Proportional to 906,845.63 and 1,979,478

Step by Step Solution

1. Step 1: Write the proportion equation
   906,845.63 : 1,979,478 = 1,979,478 : x
2. Step 2: Convert to fraction form
   906,845.63/1,979,478 = 1,979,478/x
3. Step 3: Cross multiply
   906,845.63x = 1,979,478 × 1,979,478
4. Step 4: Simplify right side
   906,845.63x = 3,918,333,152,484
5. Step 5: Solve for x
   x = 3,918,333,152,484/906,845.63
6. Step 6: Final answer
   x = 4,320,838.13