Finding the Third Proportional to 13,939,160 and 21,118,908

Step by Step Solution

1. Step 1: Write the proportion equation
   13,939,160 : 21,118,908 = 21,118,908 : x
2. Step 2: Convert to fraction form
   13,939,160/21,118,908 = 21,118,908/x
3. Step 3: Cross multiply
   13,939,160x = 21,118,908 × 21,118,908
4. Step 4: Simplify right side
   13,939,160x = 446,008,275,112,464
5. Step 5: Solve for x
   x = 446,008,275,112,464/13,939,160
6. Step 6: Final answer
   x = 31,996,782.81