Finding the Third Proportional to 12,845,052 and 21,087,078

Step by Step Solution

1. Step 1: Write the proportion equation
   12,845,052 : 21,087,078 = 21,087,078 : x
2. Step 2: Convert to fraction form
   12,845,052/21,087,078 = 21,087,078/x
3. Step 3: Cross multiply
   12,845,052x = 21,087,078 × 21,087,078
4. Step 4: Simplify right side
   12,845,052x = 444,664,858,578,084
5. Step 5: Solve for x
   x = 444,664,858,578,084/12,845,052
6. Step 6: Final answer
   x = 34,617,598.95