Finding the Third Proportional to 2,151,272 and 4,585,168

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151,272 : 4,585,168 = 4,585,168 : x
2. Step 2: Convert to fraction form
   2,151,272/4,585,168 = 4,585,168/x
3. Step 3: Cross multiply
   2,151,272x = 4,585,168 × 4,585,168
4. Step 4: Simplify right side
   2,151,272x = 21,023,765,588,224
5. Step 5: Solve for x
   x = 21,023,765,588,224/2,151,272
6. Step 6: Final answer
   x = 9,772,713.81