Finding the Third Proportional to 317,196 and 467,032.50

Step by Step Solution

1. Step 1: Write the proportion equation
   317,196 : 467,032.50 = 467,032.50 : x
2. Step 2: Convert to fraction form
   317,196/467,032.50 = 467,032.50/x
3. Step 3: Cross multiply
   317,196x = 467,032.50 × 467,032.50
4. Step 4: Simplify right side
   317,196x = 218,119,356,056.25
5. Step 5: Solve for x
   x = 218,119,356,056.25/317,196
6. Step 6: Final answer
   x = 687,648.51