Finding the Third Proportional to 778,472 and 1,710,308

Step by Step Solution

1. Step 1: Write the proportion equation
   778,472 : 1,710,308 = 1,710,308 : x
2. Step 2: Convert to fraction form
   778,472/1,710,308 = 1,710,308/x
3. Step 3: Cross multiply
   778,472x = 1,710,308 × 1,710,308
4. Step 4: Simplify right side
   778,472x = 2,925,153,454,864
5. Step 5: Solve for x
   x = 2,925,153,454,864/778,472
6. Step 6: Final answer
   x = 3,757,557.70