Finding the Third Proportional to 1,214,139 and 1,781,842

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,139 : 1,781,842 = 1,781,842 : x
2. Step 2: Convert to fraction form
   1,214,139/1,781,842 = 1,781,842/x
3. Step 3: Cross multiply
   1,214,139x = 1,781,842 × 1,781,842
4. Step 4: Simplify right side
   1,214,139x = 3,174,960,912,964
5. Step 5: Solve for x
   x = 3,174,960,912,964/1,214,139
6. Step 6: Final answer
   x = 2,614,989.65