Finding the Third Proportional to 35,665,500 and 78,165,816

Step by Step Solution

1. Step 1: Write the proportion equation
   35,665,500 : 78,165,816 = 78,165,816 : x
2. Step 2: Convert to fraction form
   35,665,500/78,165,816 = 78,165,816/x
3. Step 3: Cross multiply
   35,665,500x = 78,165,816 × 78,165,816
4. Step 4: Simplify right side
   35,665,500x = 6,109,894,790,945,856
5. Step 5: Solve for x
   x = 6,109,894,790,945,856/35,665,500
6. Step 6: Final answer
   x = 171,311,065.06