Finding the Third Proportional to 31,037,998 and 73,165,194

Step by Step Solution

1. Step 1: Write the proportion equation
   31,037,998 : 73,165,194 = 73,165,194 : x
2. Step 2: Convert to fraction form
   31,037,998/73,165,194 = 73,165,194/x
3. Step 3: Cross multiply
   31,037,998x = 73,165,194 × 73,165,194
4. Step 4: Simplify right side
   31,037,998x = 5,353,145,613,057,636
5. Step 5: Solve for x
   x = 5,353,145,613,057,636/31,037,998
6. Step 6: Final answer
   x = 172,470,711.97