Finding the Third Proportional to 7,068,904.59 and 10,990,783.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,068,904.59 : 10,990,783.69 = 10,990,783.69 : x
2. Step 2: Convert to fraction form
   7,068,904.59/10,990,783.69 = 10,990,783.69/x
3. Step 3: Cross multiply
   7,068,904.59x = 10,990,783.69 × 10,990,783.69
4. Step 4: Simplify right side
   7,068,904.59x = 120,797,326,065,416.09
5. Step 5: Solve for x
   x = 120,797,326,065,416.09/7,068,904.59
6. Step 6: Final answer
   x = 17,088,549.50