Finding the Third Proportional to 591,259.50 and 913,486

Step by Step Solution

1. Step 1: Write the proportion equation
   591,259.50 : 913,486 = 913,486 : x
2. Step 2: Convert to fraction form
   591,259.50/913,486 = 913,486/x
3. Step 3: Cross multiply
   591,259.50x = 913,486 × 913,486
4. Step 4: Simplify right side
   591,259.50x = 834,456,672,196
5. Step 5: Solve for x
   x = 834,456,672,196/591,259.50
6. Step 6: Final answer
   x = 1,411,320.53