Finding the Third Proportional to 302,175 and 453,262.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,175 : 453,262.50 = 453,262.50 : x
2. Step 2: Convert to fraction form
   302,175/453,262.50 = 453,262.50/x
3. Step 3: Cross multiply
   302,175x = 453,262.50 × 453,262.50
4. Step 4: Simplify right side
   302,175x = 205,446,893,906.25
5. Step 5: Solve for x
   x = 205,446,893,906.25/302,175
6. Step 6: Final answer
   x = 679,893.75