Finding the Third Proportional to 12,449,776.50 and 18,848,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,449,776.50 : 18,848,395.50 = 18,848,395.50 : x
2. Step 2: Convert to fraction form
   12,449,776.50/18,848,395.50 = 18,848,395.50/x
3. Step 3: Cross multiply
   12,449,776.50x = 18,848,395.50 × 18,848,395.50
4. Step 4: Simplify right side
   12,449,776.50x = 355,262,012,924,420.25
5. Step 5: Solve for x
   x = 355,262,012,924,420.25/12,449,776.50
6. Step 6: Final answer
   x = 28,535,613.71