Finding the Third Proportional to 18,463,436.16 and 42,739,513.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,463,436.16 : 42,739,513.31 = 42,739,513.31 : x
2. Step 2: Convert to fraction form
   18,463,436.16/42,739,513.31 = 42,739,513.31/x
3. Step 3: Cross multiply
   18,463,436.16x = 42,739,513.31 × 42,739,513.31
4. Step 4: Simplify right side
   18,463,436.16x = 1,826,665,998,189,364.75
5. Step 5: Solve for x
   x = 1,826,665,998,189,364.75/18,463,436.16
6. Step 6: Final answer
   x = 98,934,238.61