Finding the Third Proportional to 1,242,276 and 1,864,731

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,276 : 1,864,731 = 1,864,731 : x
2. Step 2: Convert to fraction form
   1,242,276/1,864,731 = 1,864,731/x
3. Step 3: Cross multiply
   1,242,276x = 1,864,731 × 1,864,731
4. Step 4: Simplify right side
   1,242,276x = 3,477,221,702,361
5. Step 5: Solve for x
   x = 3,477,221,702,361/1,242,276
6. Step 6: Final answer
   x = 2,799,073.40