Finding the Third Proportional to 40,953,444 and 89,620,680

Step by Step Solution

1. Step 1: Write the proportion equation
   40,953,444 : 89,620,680 = 89,620,680 : x
2. Step 2: Convert to fraction form
   40,953,444/89,620,680 = 89,620,680/x
3. Step 3: Cross multiply
   40,953,444x = 89,620,680 × 89,620,680
4. Step 4: Simplify right side
   40,953,444x = 8,031,866,283,662,400
5. Step 5: Solve for x
   x = 8,031,866,283,662,400/40,953,444
6. Step 6: Final answer
   x = 196,121,876.43