Finding the Third Proportional to 7,917,748.50 and 12,240,223.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,917,748.50 : 12,240,223.50 = 12,240,223.50 : x
2. Step 2: Convert to fraction form
   7,917,748.50/12,240,223.50 = 12,240,223.50/x
3. Step 3: Cross multiply
   7,917,748.50x = 12,240,223.50 × 12,240,223.50
4. Step 4: Simplify right side
   7,917,748.50x = 149,823,071,329,952.25
5. Step 5: Solve for x
   x = 149,823,071,329,952.25/7,917,748.50
6. Step 6: Final answer
   x = 18,922,433.74