Finding the Third Proportional to 308,308 and 672,495.25

Step by Step Solution

1. Step 1: Write the proportion equation
   308,308 : 672,495.25 = 672,495.25 : x
2. Step 2: Convert to fraction form
   308,308/672,495.25 = 672,495.25/x
3. Step 3: Cross multiply
   308,308x = 672,495.25 × 672,495.25
4. Step 4: Simplify right side
   308,308x = 452,249,861,272.56
5. Step 5: Solve for x
   x = 452,249,861,272.56/308,308
6. Step 6: Final answer
   x = 1,466,876.83