Finding the Third Proportional to 2,172,264 and 4,772,736

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,264 : 4,772,736 = 4,772,736 : x
2. Step 2: Convert to fraction form
   2,172,264/4,772,736 = 4,772,736/x
3. Step 3: Cross multiply
   2,172,264x = 4,772,736 × 4,772,736
4. Step 4: Simplify right side
   2,172,264x = 22,779,008,925,696
5. Step 5: Solve for x
   x = 22,779,008,925,696/2,172,264
6. Step 6: Final answer
   x = 10,486,298.59