Finding the Third Proportional to 40,953,440 and 89,620,672

Step by Step Solution

1. Step 1: Write the proportion equation
   40,953,440 : 89,620,672 = 89,620,672 : x
2. Step 2: Convert to fraction form
   40,953,440/89,620,672 = 89,620,672/x
3. Step 3: Cross multiply
   40,953,440x = 89,620,672 × 89,620,672
4. Step 4: Simplify right side
   40,953,440x = 8,031,864,849,731,584
5. Step 5: Solve for x
   x = 8,031,864,849,731,584/40,953,440
6. Step 6: Final answer
   x = 196,121,860.57