Finding the Third Proportional to 218,107.69 and 456,080.63

Step by Step Solution

1. Step 1: Write the proportion equation
   218,107.69 : 456,080.63 = 456,080.63 : x
2. Step 2: Convert to fraction form
   218,107.69/456,080.63 = 456,080.63/x
3. Step 3: Cross multiply
   218,107.69x = 456,080.63 × 456,080.63
4. Step 4: Simplify right side
   218,107.69x = 208,009,536,500.39
5. Step 5: Solve for x
   x = 208,009,536,500.39/218,107.69
6. Step 6: Final answer
   x = 953,701.08