Finding the Third Proportional to 40,405,684 and 88,369,496

Step by Step Solution

1. Step 1: Write the proportion equation
   40,405,684 : 88,369,496 = 88,369,496 : x
2. Step 2: Convert to fraction form
   40,405,684/88,369,496 = 88,369,496/x
3. Step 3: Cross multiply
   40,405,684x = 88,369,496 × 88,369,496
4. Step 4: Simplify right side
   40,405,684x = 7,809,167,823,294,016
5. Step 5: Solve for x
   x = 7,809,167,823,294,016/40,405,684
6. Step 6: Final answer
   x = 193,269,041.64