Finding the Third Proportional to 6,410,346 and 9,912,501

Step by Step Solution

1. Step 1: Write the proportion equation
   6,410,346 : 9,912,501 = 9,912,501 : x
2. Step 2: Convert to fraction form
   6,410,346/9,912,501 = 9,912,501/x
3. Step 3: Cross multiply
   6,410,346x = 9,912,501 × 9,912,501
4. Step 4: Simplify right side
   6,410,346x = 98,257,676,075,001
5. Step 5: Solve for x
   x = 98,257,676,075,001/6,410,346
6. Step 6: Final answer
   x = 15,327,983.24