Finding the Third Proportional to 308,651.63 and 463,799.25

Step by Step Solution

1. Step 1: Write the proportion equation
   308,651.63 : 463,799.25 = 463,799.25 : x
2. Step 2: Convert to fraction form
   308,651.63/463,799.25 = 463,799.25/x
3. Step 3: Cross multiply
   308,651.63x = 463,799.25 × 463,799.25
4. Step 4: Simplify right side
   308,651.63x = 215,109,744,300.56
5. Step 5: Solve for x
   x = 215,109,744,300.56/308,651.63
6. Step 6: Final answer
   x = 696,933.78