Finding the Third Proportional to 2,615,308.50 and 5,643,472

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615,308.50 : 5,643,472 = 5,643,472 : x
2. Step 2: Convert to fraction form
   2,615,308.50/5,643,472 = 5,643,472/x
3. Step 3: Cross multiply
   2,615,308.50x = 5,643,472 × 5,643,472
4. Step 4: Simplify right side
   2,615,308.50x = 31,848,776,214,784
5. Step 5: Solve for x
   x = 31,848,776,214,784/2,615,308.50
6. Step 6: Final answer
   x = 12,177,827.67