Finding the Third Proportional to 1,559,900.81 and 3,406,877.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559,900.81 : 3,406,877.72 = 3,406,877.72 : x
2. Step 2: Convert to fraction form
   1,559,900.81/3,406,877.72 = 3,406,877.72/x
3. Step 3: Cross multiply
   1,559,900.81x = 3,406,877.72 × 3,406,877.72
4. Step 4: Simplify right side
   1,559,900.81x = 11,606,815,790,515.20
5. Step 5: Solve for x
   x = 11,606,815,790,515.20/1,559,900.81
6. Step 6: Final answer
   x = 7,440,739.63