Finding the Third Proportional to 16,405,797 and 35,900,731.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,405,797 : 35,900,731.50 = 35,900,731.50 : x
2. Step 2: Convert to fraction form
   16,405,797/35,900,731.50 = 35,900,731.50/x
3. Step 3: Cross multiply
   16,405,797x = 35,900,731.50 × 35,900,731.50
4. Step 4: Simplify right side
   16,405,797x = 1,288,862,522,235,092.25
5. Step 5: Solve for x
   x = 1,288,862,522,235,092.25/16,405,797
6. Step 6: Final answer
   x = 78,561,408.64