Finding the Third Proportional to 5,346,161 and 7,724,280

Step by Step Solution

1. Step 1: Write the proportion equation
   5,346,161 : 7,724,280 = 7,724,280 : x
2. Step 2: Convert to fraction form
   5,346,161/7,724,280 = 7,724,280/x
3. Step 3: Cross multiply
   5,346,161x = 7,724,280 × 7,724,280
4. Step 4: Simplify right side
   5,346,161x = 59,664,501,518,400
5. Step 5: Solve for x
   x = 59,664,501,518,400/5,346,161
6. Step 6: Final answer
   x = 11,160,251.54