Finding the Third Proportional to 16,415,787 and 35,635,290

Step by Step Solution

1. Step 1: Write the proportion equation
   16,415,787 : 35,635,290 = 35,635,290 : x
2. Step 2: Convert to fraction form
   16,415,787/35,635,290 = 35,635,290/x
3. Step 3: Cross multiply
   16,415,787x = 35,635,290 × 35,635,290
4. Step 4: Simplify right side
   16,415,787x = 1,269,873,893,384,100
5. Step 5: Solve for x
   x = 1,269,873,893,384,100/16,415,787
6. Step 6: Final answer
   x = 77,356,869.54