Finding the Third Proportional to 2,189,475 and 3,486,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,475 : 3,486,577.50 = 3,486,577.50 : x
2. Step 2: Convert to fraction form
   2,189,475/3,486,577.50 = 3,486,577.50/x
3. Step 3: Cross multiply
   2,189,475x = 3,486,577.50 × 3,486,577.50
4. Step 4: Simplify right side
   2,189,475x = 12,156,222,663,506.25
5. Step 5: Solve for x
   x = 12,156,222,663,506.25/2,189,475
6. Step 6: Final answer
   x = 5,552,117.59