Finding the Third Proportional to 4,876,321.50 and 7,173,086.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,876,321.50 : 7,173,086.63 = 7,173,086.63 : x
2. Step 2: Convert to fraction form
   4,876,321.50/7,173,086.63 = 7,173,086.63/x
3. Step 3: Cross multiply
   4,876,321.50x = 7,173,086.63 × 7,173,086.63
4. Step 4: Simplify right side
   4,876,321.50x = 51,453,171,729,753.89
5. Step 5: Solve for x
   x = 51,453,171,729,753.89/4,876,321.50
6. Step 6: Final answer
   x = 10,551,636.46