Finding the Third Proportional to 3,709,336 and 7,817,200

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,336 : 7,817,200 = 7,817,200 : x
2. Step 2: Convert to fraction form
   3,709,336/7,817,200 = 7,817,200/x
3. Step 3: Cross multiply
   3,709,336x = 7,817,200 × 7,817,200
4. Step 4: Simplify right side
   3,709,336x = 61,108,615,840,000
5. Step 5: Solve for x
   x = 61,108,615,840,000/3,709,336
6. Step 6: Final answer
   x = 16,474,273.52