Finding the Third Proportional to 3,672,140.06 and 7,642,321.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672,140.06 : 7,642,321.31 = 7,642,321.31 : x
2. Step 2: Convert to fraction form
   3,672,140.06/7,642,321.31 = 7,642,321.31/x
3. Step 3: Cross multiply
   3,672,140.06x = 7,642,321.31 × 7,642,321.31
4. Step 4: Simplify right side
   3,672,140.06x = 58,405,075,043,491.72
5. Step 5: Solve for x
   x = 58,405,075,043,491.72/3,672,140.06
6. Step 6: Final answer
   x = 15,904,914.86