Finding the Third Proportional to 10,128,740 and 23,427,905

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128,740 : 23,427,905 = 23,427,905 : x
2. Step 2: Convert to fraction form
   10,128,740/23,427,905 = 23,427,905/x
3. Step 3: Cross multiply
   10,128,740x = 23,427,905 × 23,427,905
4. Step 4: Simplify right side
   10,128,740x = 548,866,732,689,025
5. Step 5: Solve for x
   x = 548,866,732,689,025/10,128,740
6. Step 6: Final answer
   x = 54,189,043.52