Finding the Third Proportional to 17,946,744 and 39,141,678

Step by Step Solution

1. Step 1: Write the proportion equation
   17,946,744 : 39,141,678 = 39,141,678 : x
2. Step 2: Convert to fraction form
   17,946,744/39,141,678 = 39,141,678/x
3. Step 3: Cross multiply
   17,946,744x = 39,141,678 × 39,141,678
4. Step 4: Simplify right side
   17,946,744x = 1,532,070,956,655,684
5. Step 5: Solve for x
   x = 1,532,070,956,655,684/17,946,744
6. Step 6: Final answer
   x = 85,367,627.50