Finding the Third Proportional to 12,846,942 and 18,915,551.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846,942 : 18,915,551.25 = 18,915,551.25 : x
2. Step 2: Convert to fraction form
   12,846,942/18,915,551.25 = 18,915,551.25/x
3. Step 3: Cross multiply
   12,846,942x = 18,915,551.25 × 18,915,551.25
4. Step 4: Simplify right side
   12,846,942x = 357,798,079,091,376.56
5. Step 5: Solve for x
   x = 357,798,079,091,376.56/12,846,942
6. Step 6: Final answer
   x = 27,850,836.34