Finding the Third Proportional to 5,030,999.31 and 7,845,434.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,030,999.31 : 7,845,434.69 = 7,845,434.69 : x
2. Step 2: Convert to fraction form
   5,030,999.31/7,845,434.69 = 7,845,434.69/x
3. Step 3: Cross multiply
   5,030,999.31x = 7,845,434.69 × 7,845,434.69
4. Step 4: Simplify right side
   5,030,999.31x = 61,550,845,435,828.22
5. Step 5: Solve for x
   x = 61,550,845,435,828.22/5,030,999.31
6. Step 6: Final answer
   x = 12,234,318.00