Finding the Third Proportional to 12,385,550 and 25,900,412

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385,550 : 25,900,412 = 25,900,412 : x
2. Step 2: Convert to fraction form
   12,385,550/25,900,412 = 25,900,412/x
3. Step 3: Cross multiply
   12,385,550x = 25,900,412 × 25,900,412
4. Step 4: Simplify right side
   12,385,550x = 670,831,341,769,744
5. Step 5: Solve for x
   x = 670,831,341,769,744/12,385,550
6. Step 6: Final answer
   x = 54,162,418.44