Finding the Third Proportional to 9,578,410 and 20,485,076

Step by Step Solution

1. Step 1: Write the proportion equation
   9,578,410 : 20,485,076 = 20,485,076 : x
2. Step 2: Convert to fraction form
   9,578,410/20,485,076 = 20,485,076/x
3. Step 3: Cross multiply
   9,578,410x = 20,485,076 × 20,485,076
4. Step 4: Simplify right side
   9,578,410x = 419,638,338,725,776
5. Step 5: Solve for x
   x = 419,638,338,725,776/9,578,410
6. Step 6: Final answer
   x = 43,810,855.74