Finding the Third Proportional to 550,483.50 and 911,058

Step by Step Solution

1. Step 1: Write the proportion equation
   550,483.50 : 911,058 = 911,058 : x
2. Step 2: Convert to fraction form
   550,483.50/911,058 = 911,058/x
3. Step 3: Cross multiply
   550,483.50x = 911,058 × 911,058
4. Step 4: Simplify right side
   550,483.50x = 830,026,679,364
5. Step 5: Solve for x
   x = 830,026,679,364/550,483.50
6. Step 6: Final answer
   x = 1,507,813.91