Finding the Third Proportional to 16,974,347,121 and 35,707,749,187.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,974,347,121 : 35,707,749,187.50 = 35,707,749,187.50 : x
2. Step 2: Convert to fraction form
   16,974,347,121/35,707,749,187.50 = 35,707,749,187.50/x
3. Step 3: Cross multiply
   16,974,347,121x = 35,707,749,187.50 × 35,707,749,187.50
4. Step 4: Simplify right side
   16,974,347,121x = 1,275,043,352,037,406,801,920
5. Step 5: Solve for x
   x = 1,275,043,352,037,406,801,920/16,974,347,121
6. Step 6: Final answer
   x = 75,115,899,477.51