Finding the Third Proportional to 12,385,549 and 25,900,410

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385,549 : 25,900,410 = 25,900,410 : x
2. Step 2: Convert to fraction form
   12,385,549/25,900,410 = 25,900,410/x
3. Step 3: Cross multiply
   12,385,549x = 25,900,410 × 25,900,410
4. Step 4: Simplify right side
   12,385,549x = 670,831,238,168,100
5. Step 5: Solve for x
   x = 670,831,238,168,100/12,385,549
6. Step 6: Final answer
   x = 54,162,414.45