Finding the Third Proportional to 548,199 and 843,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   548,199 : 843,700.50 = 843,700.50 : x
2. Step 2: Convert to fraction form
   548,199/843,700.50 = 843,700.50/x
3. Step 3: Cross multiply
   548,199x = 843,700.50 × 843,700.50
4. Step 4: Simplify right side
   548,199x = 711,830,533,700.25
5. Step 5: Solve for x
   x = 711,830,533,700.25/548,199
6. Step 6: Final answer
   x = 1,298,489.30