Finding the Third Proportional to 10,509,302 and 15,839,123

Step by Step Solution

1. Step 1: Write the proportion equation
   10,509,302 : 15,839,123 = 15,839,123 : x
2. Step 2: Convert to fraction form
   10,509,302/15,839,123 = 15,839,123/x
3. Step 3: Cross multiply
   10,509,302x = 15,839,123 × 15,839,123
4. Step 4: Simplify right side
   10,509,302x = 250,877,817,409,129
5. Step 5: Solve for x
   x = 250,877,817,409,129/10,509,302
6. Step 6: Final answer
   x = 23,871,977.17