Finding the Third Proportional to 591,300 and 910,116

Step by Step Solution

1. Step 1: Write the proportion equation
   591,300 : 910,116 = 910,116 : x
2. Step 2: Convert to fraction form
   591,300/910,116 = 910,116/x
3. Step 3: Cross multiply
   591,300x = 910,116 × 910,116
4. Step 4: Simplify right side
   591,300x = 828,311,133,456
5. Step 5: Solve for x
   x = 828,311,133,456/591,300
6. Step 6: Final answer
   x = 1,400,830.60