Finding the Third Proportional to 3,709,356 and 7,817,240

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,356 : 7,817,240 = 7,817,240 : x
2. Step 2: Convert to fraction form
   3,709,356/7,817,240 = 7,817,240/x
3. Step 3: Cross multiply
   3,709,356x = 7,817,240 × 7,817,240
4. Step 4: Simplify right side
   3,709,356x = 61,109,241,217,600
5. Step 5: Solve for x
   x = 61,109,241,217,600/3,709,356
6. Step 6: Final answer
   x = 16,474,353.29