Finding the Third Proportional to 40,953,436 and 89,620,664

Step by Step Solution

1. Step 1: Write the proportion equation
   40,953,436 : 89,620,664 = 89,620,664 : x
2. Step 2: Convert to fraction form
   40,953,436/89,620,664 = 89,620,664/x
3. Step 3: Cross multiply
   40,953,436x = 89,620,664 × 89,620,664
4. Step 4: Simplify right side
   40,953,436x = 8,031,863,415,800,896
5. Step 5: Solve for x
   x = 8,031,863,415,800,896/40,953,436
6. Step 6: Final answer
   x = 196,121,844.72