Finding the Third Proportional to 25,888,945 and 43,143,066

Step by Step Solution

1. Step 1: Write the proportion equation
   25,888,945 : 43,143,066 = 43,143,066 : x
2. Step 2: Convert to fraction form
   25,888,945/43,143,066 = 43,143,066/x
3. Step 3: Cross multiply
   25,888,945x = 43,143,066 × 43,143,066
4. Step 4: Simplify right side
   25,888,945x = 1,861,324,143,880,356
5. Step 5: Solve for x
   x = 1,861,324,143,880,356/25,888,945
6. Step 6: Final answer
   x = 71,896,484.92