Finding the Third Proportional to 13,978,186 and 29,899,460

Step by Step Solution

1. Step 1: Write the proportion equation
   13,978,186 : 29,899,460 = 29,899,460 : x
2. Step 2: Convert to fraction form
   13,978,186/29,899,460 = 29,899,460/x
3. Step 3: Cross multiply
   13,978,186x = 29,899,460 × 29,899,460
4. Step 4: Simplify right side
   13,978,186x = 893,977,708,291,600
5. Step 5: Solve for x
   x = 893,977,708,291,600/13,978,186
6. Step 6: Final answer
   x = 63,955,201.93