Finding the Third Proportional to 12,140,865 and 26,012,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,140,865 : 26,012,479.50 = 26,012,479.50 : x
2. Step 2: Convert to fraction form
   12,140,865/26,012,479.50 = 26,012,479.50/x
3. Step 3: Cross multiply
   12,140,865x = 26,012,479.50 × 26,012,479.50
4. Step 4: Simplify right side
   12,140,865x = 676,649,089,737,920.25
5. Step 5: Solve for x
   x = 676,649,089,737,920.25/12,140,865
6. Step 6: Final answer
   x = 55,733,186.21