Finding the Third Proportional to 2,141,640 and 3,316,140

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,640 : 3,316,140 = 3,316,140 : x
2. Step 2: Convert to fraction form
   2,141,640/3,316,140 = 3,316,140/x
3. Step 3: Cross multiply
   2,141,640x = 3,316,140 × 3,316,140
4. Step 4: Simplify right side
   2,141,640x = 10,996,784,499,600
5. Step 5: Solve for x
   x = 10,996,784,499,600/2,141,640
6. Step 6: Final answer
   x = 5,134,749.30