Finding the Third Proportional to 18,463,546 and 42,739,803

Step by Step Solution

1. Step 1: Write the proportion equation
   18,463,546 : 42,739,803 = 42,739,803 : x
2. Step 2: Convert to fraction form
   18,463,546/42,739,803 = 42,739,803/x
3. Step 3: Cross multiply
   18,463,546x = 42,739,803 × 42,739,803
4. Step 4: Simplify right side
   18,463,546x = 1,826,690,760,478,809
5. Step 5: Solve for x
   x = 1,826,690,760,478,809/18,463,546
6. Step 6: Final answer
   x = 98,934,991.17