Finding the Third Proportional to 906,130 and 2,116,284

Step by Step Solution

1. Step 1: Write the proportion equation
   906,130 : 2,116,284 = 2,116,284 : x
2. Step 2: Convert to fraction form
   906,130/2,116,284 = 2,116,284/x
3. Step 3: Cross multiply
   906,130x = 2,116,284 × 2,116,284
4. Step 4: Simplify right side
   906,130x = 4,478,657,968,656
5. Step 5: Solve for x
   x = 4,478,657,968,656/906,130
6. Step 6: Final answer
   x = 4,942,621.89