Finding the Third Proportional to 5,139,948 and 7,710,903

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139,948 : 7,710,903 = 7,710,903 : x
2. Step 2: Convert to fraction form
   5,139,948/7,710,903 = 7,710,903/x
3. Step 3: Cross multiply
   5,139,948x = 7,710,903 × 7,710,903
4. Step 4: Simplify right side
   5,139,948x = 59,458,025,075,409
5. Step 5: Solve for x
   x = 59,458,025,075,409/5,139,948
6. Step 6: Final answer
   x = 11,567,826.19