Finding the Third Proportional to 12,309,529.50 and 28,496,746.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309,529.50 : 28,496,746.69 = 28,496,746.69 : x
2. Step 2: Convert to fraction form
   12,309,529.50/28,496,746.69 = 28,496,746.69/x
3. Step 3: Cross multiply
   12,309,529.50x = 28,496,746.69 × 28,496,746.69
4. Step 4: Simplify right side
   12,309,529.50x = 812,064,571,771,542.25
5. Step 5: Solve for x
   x = 812,064,571,771,542.25/12,309,529.50
6. Step 6: Final answer
   x = 65,970,398.93