Finding the Third Proportional to 40,953,434 and 89,620,660

Step by Step Solution

1. Step 1: Write the proportion equation
   40,953,434 : 89,620,660 = 89,620,660 : x
2. Step 2: Convert to fraction form
   40,953,434/89,620,660 = 89,620,660/x
3. Step 3: Cross multiply
   40,953,434x = 89,620,660 × 89,620,660
4. Step 4: Simplify right side
   40,953,434x = 8,031,862,698,835,600
5. Step 5: Solve for x
   x = 8,031,862,698,835,600/40,953,434
6. Step 6: Final answer
   x = 196,121,836.79