Finding the Third Proportional to 2,915,712 and 4,316,168

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915,712 : 4,316,168 = 4,316,168 : x
2. Step 2: Convert to fraction form
   2,915,712/4,316,168 = 4,316,168/x
3. Step 3: Cross multiply
   2,915,712x = 4,316,168 × 4,316,168
4. Step 4: Simplify right side
   2,915,712x = 18,629,306,204,224
5. Step 5: Solve for x
   x = 18,629,306,204,224/2,915,712
6. Step 6: Final answer
   x = 6,389,282.00