Finding the Third Proportional to 13,978,071 and 29,899,218

Step by Step Solution

1. Step 1: Write the proportion equation
   13,978,071 : 29,899,218 = 29,899,218 : x
2. Step 2: Convert to fraction form
   13,978,071/29,899,218 = 29,899,218/x
3. Step 3: Cross multiply
   13,978,071x = 29,899,218 × 29,899,218
4. Step 4: Simplify right side
   13,978,071x = 893,963,237,011,524
5. Step 5: Solve for x
   x = 893,963,237,011,524/13,978,071
6. Step 6: Final answer
   x = 63,954,692.82