Finding the Third Proportional to 16,484,856 and 25,216,820

Step by Step Solution

1. Step 1: Write the proportion equation
   16,484,856 : 25,216,820 = 25,216,820 : x
2. Step 2: Convert to fraction form
   16,484,856/25,216,820 = 25,216,820/x
3. Step 3: Cross multiply
   16,484,856x = 25,216,820 × 25,216,820
4. Step 4: Simplify right side
   16,484,856x = 635,888,010,912,400
5. Step 5: Solve for x
   x = 635,888,010,912,400/16,484,856
6. Step 6: Final answer
   x = 38,574,071.31