Finding the Third Proportional to 43,621,888 and 91,756,456

Step by Step Solution

1. Step 1: Write the proportion equation
   43,621,888 : 91,756,456 = 91,756,456 : x
2. Step 2: Convert to fraction form
   43,621,888/91,756,456 = 91,756,456/x
3. Step 3: Cross multiply
   43,621,888x = 91,756,456 × 91,756,456
4. Step 4: Simplify right side
   43,621,888x = 8,419,247,217,679,936
5. Step 5: Solve for x
   x = 8,419,247,217,679,936/43,621,888
6. Step 6: Final answer
   x = 193,005,108.30