Finding the Third Proportional to 6,990,507 and 9,444,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,990,507 : 9,444,595.50 = 9,444,595.50 : x
2. Step 2: Convert to fraction form
   6,990,507/9,444,595.50 = 9,444,595.50/x
3. Step 3: Cross multiply
   6,990,507x = 9,444,595.50 × 9,444,595.50
4. Step 4: Simplify right side
   6,990,507x = 89,200,384,158,620.25
5. Step 5: Solve for x
   x = 89,200,384,158,620.25/6,990,507
6. Step 6: Final answer
   x = 12,760,216.70