Finding the Third Proportional to 12,538,912 and 25,609,152

Step by Step Solution

1. Step 1: Write the proportion equation
   12,538,912 : 25,609,152 = 25,609,152 : x
2. Step 2: Convert to fraction form
   12,538,912/25,609,152 = 25,609,152/x
3. Step 3: Cross multiply
   12,538,912x = 25,609,152 × 25,609,152
4. Step 4: Simplify right side
   12,538,912x = 655,828,666,159,104
5. Step 5: Solve for x
   x = 655,828,666,159,104/12,538,912
6. Step 6: Final answer
   x = 52,303,474.67