Finding the Third Proportional to 35,888,238 and 78,724,521

Step by Step Solution

1. Step 1: Write the proportion equation
   35,888,238 : 78,724,521 = 78,724,521 : x
2. Step 2: Convert to fraction form
   35,888,238/78,724,521 = 78,724,521/x
3. Step 3: Cross multiply
   35,888,238x = 78,724,521 × 78,724,521
4. Step 4: Simplify right side
   35,888,238x = 6,197,550,206,679,441
5. Step 5: Solve for x
   x = 6,197,550,206,679,441/35,888,238
6. Step 6: Final answer
   x = 172,690,289.41