Finding the Third Proportional to 38,428,828 and 82,981,111

Step by Step Solution

1. Step 1: Write the proportion equation
   38,428,828 : 82,981,111 = 82,981,111 : x
2. Step 2: Convert to fraction form
   38,428,828/82,981,111 = 82,981,111/x
3. Step 3: Cross multiply
   38,428,828x = 82,981,111 × 82,981,111
4. Step 4: Simplify right side
   38,428,828x = 6,885,864,782,794,321
5. Step 5: Solve for x
   x = 6,885,864,782,794,321/38,428,828
6. Step 6: Final answer
   x = 179,184,876.07