Finding the Third Proportional to 2,370,405.50 and 5,213,418.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370,405.50 : 5,213,418.50 = 5,213,418.50 : x
2. Step 2: Convert to fraction form
   2,370,405.50/5,213,418.50 = 5,213,418.50/x
3. Step 3: Cross multiply
   2,370,405.50x = 5,213,418.50 × 5,213,418.50
4. Step 4: Simplify right side
   2,370,405.50x = 27,179,732,456,142.25
5. Step 5: Solve for x
   x = 27,179,732,456,142.25/2,370,405.50
6. Step 6: Final answer
   x = 11,466,279.70