Finding the Third Proportional to 1,403,319 and 2,117,610

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,319 : 2,117,610 = 2,117,610 : x
2. Step 2: Convert to fraction form
   1,403,319/2,117,610 = 2,117,610/x
3. Step 3: Cross multiply
   1,403,319x = 2,117,610 × 2,117,610
4. Step 4: Simplify right side
   1,403,319x = 4,484,272,112,100
5. Step 5: Solve for x
   x = 4,484,272,112,100/1,403,319
6. Step 6: Final answer
   x = 3,195,475.95