Finding the Third Proportional to 25,869,858 and 43,113,835

Step by Step Solution

1. Step 1: Write the proportion equation
   25,869,858 : 43,113,835 = 43,113,835 : x
2. Step 2: Convert to fraction form
   25,869,858/43,113,835 = 43,113,835/x
3. Step 3: Cross multiply
   25,869,858x = 43,113,835 × 43,113,835
4. Step 4: Simplify right side
   25,869,858x = 1,858,802,768,407,225
5. Step 5: Solve for x
   x = 1,858,802,768,407,225/25,869,858
6. Step 6: Final answer
   x = 71,852,066.93