Finding the Third Proportional to 12,973,171.50 and 18,248,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973,171.50 : 18,248,398.50 = 18,248,398.50 : x
2. Step 2: Convert to fraction form
   12,973,171.50/18,248,398.50 = 18,248,398.50/x
3. Step 3: Cross multiply
   12,973,171.50x = 18,248,398.50 × 18,248,398.50
4. Step 4: Simplify right side
   12,973,171.50x = 333,004,047,814,802.25
5. Step 5: Solve for x
   x = 333,004,047,814,802.25/12,973,171.50
6. Step 6: Final answer
   x = 25,668,669.21