Finding the Third Proportional to 1,476,147.50 and 3,178,689.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476,147.50 : 3,178,689.50 = 3,178,689.50 : x
2. Step 2: Convert to fraction form
   1,476,147.50/3,178,689.50 = 3,178,689.50/x
3. Step 3: Cross multiply
   1,476,147.50x = 3,178,689.50 × 3,178,689.50
4. Step 4: Simplify right side
   1,476,147.50x = 10,104,066,937,410.25
5. Step 5: Solve for x
   x = 10,104,066,937,410.25/1,476,147.50
6. Step 6: Final answer
   x = 6,844,889.78