Finding the Third Proportional to 6,470,319 and 10,149,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,470,319 : 10,149,142.50 = 10,149,142.50 : x
2. Step 2: Convert to fraction form
   6,470,319/10,149,142.50 = 10,149,142.50/x
3. Step 3: Cross multiply
   6,470,319x = 10,149,142.50 × 10,149,142.50
4. Step 4: Simplify right side
   6,470,319x = 103,005,093,485,306.25
5. Step 5: Solve for x
   x = 103,005,093,485,306.25/6,470,319
6. Step 6: Final answer
   x = 15,919,631.39