Finding the Third Proportional to 7,139,420 and 10,876,524.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,420 : 10,876,524.50 = 10,876,524.50 : x
2. Step 2: Convert to fraction form
   7,139,420/10,876,524.50 = 10,876,524.50/x
3. Step 3: Cross multiply
   7,139,420x = 10,876,524.50 × 10,876,524.50
4. Step 4: Simplify right side
   7,139,420x = 118,298,785,199,100.25
5. Step 5: Solve for x
   x = 118,298,785,199,100.25/7,139,420
6. Step 6: Final answer
   x = 16,569,803.32