Finding the Third Proportional to 599,913 and 843,736.50

Step by Step Solution

1. Step 1: Write the proportion equation
   599,913 : 843,736.50 = 843,736.50 : x
2. Step 2: Convert to fraction form
   599,913/843,736.50 = 843,736.50/x
3. Step 3: Cross multiply
   599,913x = 843,736.50 × 843,736.50
4. Step 4: Simplify right side
   599,913x = 711,891,281,432.25
5. Step 5: Solve for x
   x = 711,891,281,432.25/599,913
6. Step 6: Final answer
   x = 1,186,657.53