Finding the Third Proportional to 5,909,386.50 and 12,939,781.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,909,386.50 : 12,939,781.50 = 12,939,781.50 : x
2. Step 2: Convert to fraction form
   5,909,386.50/12,939,781.50 = 12,939,781.50/x
3. Step 3: Cross multiply
   5,909,386.50x = 12,939,781.50 × 12,939,781.50
4. Step 4: Simplify right side
   5,909,386.50x = 167,437,945,267,742.25
5. Step 5: Solve for x
   x = 167,437,945,267,742.25/5,909,386.50
6. Step 6: Final answer
   x = 28,334,234.91