Finding the Third Proportional to 191,021,571,351 and 408,877,134,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,021,571,351 : 408,877,134,064.50 = 408,877,134,064.50 : x
2. Step 2: Convert to fraction form
   191,021,571,351/408,877,134,064.50 = 408,877,134,064.50/x
3. Step 3: Cross multiply
   191,021,571,351x = 408,877,134,064.50 × 408,877,134,064.50
4. Step 4: Simplify right side
   191,021,571,351x = 167,180,510,760,799,096,012,800
5. Step 5: Solve for x
   x = 167,180,510,760,799,096,012,800/191,021,571,351
6. Step 6: Final answer
   x = 875,191,788,960.88