Finding the Third Proportional to 28,770.75 and 45,799.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,770.75 : 45,799.31 = 45,799.31 : x
2. Step 2: Convert to fraction form
   28,770.75/45,799.31 = 45,799.31/x
3. Step 3: Cross multiply
   28,770.75x = 45,799.31 × 45,799.31
4. Step 4: Simplify right side
   28,770.75x = 2,097,577,025.47
5. Step 5: Solve for x
   x = 2,097,577,025.47/28,770.75
6. Step 6: Final answer
   x = 72,906.58