Finding the Third Proportional to 591,192 and 917,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   591,192 : 917,149.50 = 917,149.50 : x
2. Step 2: Convert to fraction form
   591,192/917,149.50 = 917,149.50/x
3. Step 3: Cross multiply
   591,192x = 917,149.50 × 917,149.50
4. Step 4: Simplify right side
   591,192x = 841,163,205,350.25
5. Step 5: Solve for x
   x = 841,163,205,350.25/591,192
6. Step 6: Final answer
   x = 1,422,825.76