Finding the Third Proportional to 1,243,368 and 2,711,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,368 : 2,711,520 = 2,711,520 : x
2. Step 2: Convert to fraction form
   1,243,368/2,711,520 = 2,711,520/x
3. Step 3: Cross multiply
   1,243,368x = 2,711,520 × 2,711,520
4. Step 4: Simplify right side
   1,243,368x = 7,352,340,710,400
5. Step 5: Solve for x
   x = 7,352,340,710,400/1,243,368
6. Step 6: Final answer
   x = 5,913,245.89