Finding the Third Proportional to 553,383 and 846,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   553,383 : 846,133.50 = 846,133.50 : x
2. Step 2: Convert to fraction form
   553,383/846,133.50 = 846,133.50/x
3. Step 3: Cross multiply
   553,383x = 846,133.50 × 846,133.50
4. Step 4: Simplify right side
   553,383x = 715,941,899,822.25
5. Step 5: Solve for x
   x = 715,941,899,822.25/553,383
6. Step 6: Final answer
   x = 1,293,754.78