Finding the Third Proportional to 5,780,305.50 and 12,590,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,780,305.50 : 12,590,407.50 = 12,590,407.50 : x
2. Step 2: Convert to fraction form
   5,780,305.50/12,590,407.50 = 12,590,407.50/x
3. Step 3: Cross multiply
   5,780,305.50x = 12,590,407.50 × 12,590,407.50
4. Step 4: Simplify right side
   5,780,305.50x = 158,518,361,016,056.25
5. Step 5: Solve for x
   x = 158,518,361,016,056.25/5,780,305.50
6. Step 6: Final answer
   x = 27,423,872.50