Finding the Third Proportional to 12,538,916 and 25,609,160

Step by Step Solution

1. Step 1: Write the proportion equation
   12,538,916 : 25,609,160 = 25,609,160 : x
2. Step 2: Convert to fraction form
   12,538,916/25,609,160 = 25,609,160/x
3. Step 3: Cross multiply
   12,538,916x = 25,609,160 × 25,609,160
4. Step 4: Simplify right side
   12,538,916x = 655,829,075,905,600
5. Step 5: Solve for x
   x = 655,829,075,905,600/12,538,916
6. Step 6: Final answer
   x = 52,303,490.66