Finding the Third Proportional to 35,435,608.50 and 53,870,142

Step by Step Solution

1. Step 1: Write the proportion equation
   35,435,608.50 : 53,870,142 = 53,870,142 : x
2. Step 2: Convert to fraction form
   35,435,608.50/53,870,142 = 53,870,142/x
3. Step 3: Cross multiply
   35,435,608.50x = 53,870,142 × 53,870,142
4. Step 4: Simplify right side
   35,435,608.50x = 2,901,992,199,100,164
5. Step 5: Solve for x
   x = 2,901,992,199,100,164/35,435,608.50
6. Step 6: Final answer
   x = 81,894,803.62