Finding the Third Proportional to 21,677,129 and 50,581,715

Step by Step Solution

1. Step 1: Write the proportion equation
   21,677,129 : 50,581,715 = 50,581,715 : x
2. Step 2: Convert to fraction form
   21,677,129/50,581,715 = 50,581,715/x
3. Step 3: Cross multiply
   21,677,129x = 50,581,715 × 50,581,715
4. Step 4: Simplify right side
   21,677,129x = 2,558,509,892,341,225
5. Step 5: Solve for x
   x = 2,558,509,892,341,225/21,677,129
6. Step 6: Final answer
   x = 118,028,078.92