Finding the Third Proportional to 7,881,302 and 16,978,412

Step by Step Solution

1. Step 1: Write the proportion equation
   7,881,302 : 16,978,412 = 16,978,412 : x
2. Step 2: Convert to fraction form
   7,881,302/16,978,412 = 16,978,412/x
3. Step 3: Cross multiply
   7,881,302x = 16,978,412 × 16,978,412
4. Step 4: Simplify right side
   7,881,302x = 288,266,474,041,744
5. Step 5: Solve for x
   x = 288,266,474,041,744/7,881,302
6. Step 6: Final answer
   x = 36,575,996.46