Finding the Third Proportional to 12,984,018 and 20,262,118

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984,018 : 20,262,118 = 20,262,118 : x
2. Step 2: Convert to fraction form
   12,984,018/20,262,118 = 20,262,118/x
3. Step 3: Cross multiply
   12,984,018x = 20,262,118 × 20,262,118
4. Step 4: Simplify right side
   12,984,018x = 410,553,425,845,924
5. Step 5: Solve for x
   x = 410,553,425,845,924/12,984,018
6. Step 6: Final answer
   x = 31,619,905.78