Finding the Third Proportional to 605,340 and 848,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   605,340 : 848,368.50 = 848,368.50 : x
2. Step 2: Convert to fraction form
   605,340/848,368.50 = 848,368.50/x
3. Step 3: Cross multiply
   605,340x = 848,368.50 × 848,368.50
4. Step 4: Simplify right side
   605,340x = 719,729,111,792.25
5. Step 5: Solve for x
   x = 719,729,111,792.25/605,340
6. Step 6: Final answer
   x = 1,188,966.72