Finding the Third Proportional to 16,779,738 and 25,396,470

Step by Step Solution

1. Step 1: Write the proportion equation
   16,779,738 : 25,396,470 = 25,396,470 : x
2. Step 2: Convert to fraction form
   16,779,738/25,396,470 = 25,396,470/x
3. Step 3: Cross multiply
   16,779,738x = 25,396,470 × 25,396,470
4. Step 4: Simplify right side
   16,779,738x = 644,980,688,460,900
5. Step 5: Solve for x
   x = 644,980,688,460,900/16,779,738
6. Step 6: Final answer
   x = 38,438,066.70