Finding the Third Proportional to 611,397 and 898,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   611,397 : 898,303.50 = 898,303.50 : x
2. Step 2: Convert to fraction form
   611,397/898,303.50 = 898,303.50/x
3. Step 3: Cross multiply
   611,397x = 898,303.50 × 898,303.50
4. Step 4: Simplify right side
   611,397x = 806,949,178,112.25
5. Step 5: Solve for x
   x = 806,949,178,112.25/611,397
6. Step 6: Final answer
   x = 1,319,844.84