Finding the Third Proportional to 72,067,776 and 111,685,212

Step by Step Solution

1. Step 1: Write the proportion equation
   72,067,776 : 111,685,212 = 111,685,212 : x
2. Step 2: Convert to fraction form
   72,067,776/111,685,212 = 111,685,212/x
3. Step 3: Cross multiply
   72,067,776x = 111,685,212 × 111,685,212
4. Step 4: Simplify right side
   72,067,776x = 12,473,586,579,484,944
5. Step 5: Solve for x
   x = 12,473,586,579,484,944/72,067,776
6. Step 6: Final answer
   x = 173,081,330.82