Finding the Third Proportional to 5,011,257 and 7,816,368

Step by Step Solution

1. Step 1: Write the proportion equation
   5,011,257 : 7,816,368 = 7,816,368 : x
2. Step 2: Convert to fraction form
   5,011,257/7,816,368 = 7,816,368/x
3. Step 3: Cross multiply
   5,011,257x = 7,816,368 × 7,816,368
4. Step 4: Simplify right side
   5,011,257x = 61,095,608,711,424
5. Step 5: Solve for x
   x = 61,095,608,711,424/5,011,257
6. Step 6: Final answer
   x = 12,191,673.41