Finding the Third Proportional to 135,495 and 297,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   135,495 : 297,805.50 = 297,805.50 : x
2. Step 2: Convert to fraction form
   135,495/297,805.50 = 297,805.50/x
3. Step 3: Cross multiply
   135,495x = 297,805.50 × 297,805.50
4. Step 4: Simplify right side
   135,495x = 88,688,115,830.25
5. Step 5: Solve for x
   x = 88,688,115,830.25/135,495
6. Step 6: Final answer
   x = 654,548.99