Finding the Third Proportional to 452,107.50 and 615,693

Step by Step Solution

1. Step 1: Write the proportion equation
   452,107.50 : 615,693 = 615,693 : x
2. Step 2: Convert to fraction form
   452,107.50/615,693 = 615,693/x
3. Step 3: Cross multiply
   452,107.50x = 615,693 × 615,693
4. Step 4: Simplify right side
   452,107.50x = 379,077,870,249
5. Step 5: Solve for x
   x = 379,077,870,249/452,107.50
6. Step 6: Final answer
   x = 838,468.44