Finding the Third Proportional to 28,201,701,585 and 42,665,263,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,201,701,585 : 42,665,263,933.50 = 42,665,263,933.50 : x
2. Step 2: Convert to fraction form
   28,201,701,585/42,665,263,933.50 = 42,665,263,933.50/x
3. Step 3: Cross multiply
   28,201,701,585x = 42,665,263,933.50 × 42,665,263,933.50
4. Step 4: Simplify right side
   28,201,701,585x = 1,820,324,746,515,215,810,560
5. Step 5: Solve for x
   x = 1,820,324,746,515,215,810,560/28,201,701,585
6. Step 6: Final answer
   x = 64,546,628,189.39