Finding the Third Proportional to 2,602,474.31 and 5,639,308.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602,474.31 : 5,639,308.59 = 5,639,308.59 : x
2. Step 2: Convert to fraction form
   2,602,474.31/5,639,308.59 = 5,639,308.59/x
3. Step 3: Cross multiply
   2,602,474.31x = 5,639,308.59 × 5,639,308.59
4. Step 4: Simplify right side
   2,602,474.31x = 31,801,801,415,542.60
5. Step 5: Solve for x
   x = 31,801,801,415,542.60/2,602,474.31
6. Step 6: Final answer
   x = 12,219,832.97