Finding the Third Proportional to 12,958,812 and 27,995,640

Step by Step Solution

1. Step 1: Write the proportion equation
   12,958,812 : 27,995,640 = 27,995,640 : x
2. Step 2: Convert to fraction form
   12,958,812/27,995,640 = 27,995,640/x
3. Step 3: Cross multiply
   12,958,812x = 27,995,640 × 27,995,640
4. Step 4: Simplify right side
   12,958,812x = 783,755,859,009,600
5. Step 5: Solve for x
   x = 783,755,859,009,600/12,958,812
6. Step 6: Final answer
   x = 60,480,533.17