Finding the Third Proportional to 35,888,144 and 78,724,384

Step by Step Solution

1. Step 1: Write the proportion equation
   35,888,144 : 78,724,384 = 78,724,384 : x
2. Step 2: Convert to fraction form
   35,888,144/78,724,384 = 78,724,384/x
3. Step 3: Cross multiply
   35,888,144x = 78,724,384 × 78,724,384
4. Step 4: Simplify right side
   35,888,144x = 6,197,528,636,179,456
5. Step 5: Solve for x
   x = 6,197,528,636,179,456/35,888,144
6. Step 6: Final answer
   x = 172,690,140.68