Finding the Third Proportional to 15,721,816 and 33,333,172

Step by Step Solution

1. Step 1: Write the proportion equation
   15,721,816 : 33,333,172 = 33,333,172 : x
2. Step 2: Convert to fraction form
   15,721,816/33,333,172 = 33,333,172/x
3. Step 3: Cross multiply
   15,721,816x = 33,333,172 × 33,333,172
4. Step 4: Simplify right side
   15,721,816x = 1,111,100,355,581,584
5. Step 5: Solve for x
   x = 1,111,100,355,581,584/15,721,816
6. Step 6: Final answer
   x = 70,672,519.99