Finding the Third Proportional to 1,381,172 and 3,018,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381,172 : 3,018,516 = 3,018,516 : x
2. Step 2: Convert to fraction form
   1,381,172/3,018,516 = 3,018,516/x
3. Step 3: Cross multiply
   1,381,172x = 3,018,516 × 3,018,516
4. Step 4: Simplify right side
   1,381,172x = 9,111,438,842,256
5. Step 5: Solve for x
   x = 9,111,438,842,256/1,381,172
6. Step 6: Final answer
   x = 6,596,889.34