Finding the Third Proportional to 14,012,424 and 21,118,866

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012,424 : 21,118,866 = 21,118,866 : x
2. Step 2: Convert to fraction form
   14,012,424/21,118,866 = 21,118,866/x
3. Step 3: Cross multiply
   14,012,424x = 21,118,866 × 21,118,866
4. Step 4: Simplify right side
   14,012,424x = 446,006,501,125,956
5. Step 5: Solve for x
   x = 446,006,501,125,956/14,012,424
6. Step 6: Final answer
   x = 31,829,360.94