Finding the Third Proportional to 16,269,478 and 21,592,008

Step by Step Solution

1. Step 1: Write the proportion equation
   16,269,478 : 21,592,008 = 21,592,008 : x
2. Step 2: Convert to fraction form
   16,269,478/21,592,008 = 21,592,008/x
3. Step 3: Cross multiply
   16,269,478x = 21,592,008 × 21,592,008
4. Step 4: Simplify right side
   16,269,478x = 466,214,809,472,064
5. Step 5: Solve for x
   x = 466,214,809,472,064/16,269,478
6. Step 6: Final answer
   x = 28,655,793.96