Finding the Third Proportional to 5,812,275 and 7,978,666.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812,275 : 7,978,666.50 = 7,978,666.50 : x
2. Step 2: Convert to fraction form
   5,812,275/7,978,666.50 = 7,978,666.50/x
3. Step 3: Cross multiply
   5,812,275x = 7,978,666.50 × 7,978,666.50
4. Step 4: Simplify right side
   5,812,275x = 63,659,119,118,222.25
5. Step 5: Solve for x
   x = 63,659,119,118,222.25/5,812,275
6. Step 6: Final answer
   x = 10,952,530.48