Finding the Third Proportional to 8,593,921.50 and 12,428,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,593,921.50 : 12,428,308.50 = 12,428,308.50 : x
2. Step 2: Convert to fraction form
   8,593,921.50/12,428,308.50 = 12,428,308.50/x
3. Step 3: Cross multiply
   8,593,921.50x = 12,428,308.50 × 12,428,308.50
4. Step 4: Simplify right side
   8,593,921.50x = 154,462,852,171,172.25
5. Step 5: Solve for x
   x = 154,462,852,171,172.25/8,593,921.50
6. Step 6: Final answer
   x = 17,973,500.48