Finding the Third Proportional to 8,878,654 and 19,485,494

Step by Step Solution

1. Step 1: Write the proportion equation
   8,878,654 : 19,485,494 = 19,485,494 : x
2. Step 2: Convert to fraction form
   8,878,654/19,485,494 = 19,485,494/x
3. Step 3: Cross multiply
   8,878,654x = 19,485,494 × 19,485,494
4. Step 4: Simplify right side
   8,878,654x = 379,684,476,424,036
5. Step 5: Solve for x
   x = 379,684,476,424,036/8,878,654
6. Step 6: Final answer
   x = 42,763,742.84