Finding the Third Proportional to 25,538,490 and 56,043,648

Step by Step Solution

1. Step 1: Write the proportion equation
   25,538,490 : 56,043,648 = 56,043,648 : x
2. Step 2: Convert to fraction form
   25,538,490/56,043,648 = 56,043,648/x
3. Step 3: Cross multiply
   25,538,490x = 56,043,648 × 56,043,648
4. Step 4: Simplify right side
   25,538,490x = 3,140,890,481,147,904
5. Step 5: Solve for x
   x = 3,140,890,481,147,904/25,538,490
6. Step 6: Final answer
   x = 122,986,538.40