Finding the Third Proportional to 135,316 and 293,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   135,316 : 293,696.50 = 293,696.50 : x
2. Step 2: Convert to fraction form
   135,316/293,696.50 = 293,696.50/x
3. Step 3: Cross multiply
   135,316x = 293,696.50 × 293,696.50
4. Step 4: Simplify right side
   135,316x = 86,257,634,112.25
5. Step 5: Solve for x
   x = 86,257,634,112.25/135,316
6. Step 6: Final answer
   x = 637,453.32