Finding the Third Proportional to 3,312,888 and 7,098,240

Step by Step Solution

1. Step 1: Write the proportion equation
   3,312,888 : 7,098,240 = 7,098,240 : x
2. Step 2: Convert to fraction form
   3,312,888/7,098,240 = 7,098,240/x
3. Step 3: Cross multiply
   3,312,888x = 7,098,240 × 7,098,240
4. Step 4: Simplify right side
   3,312,888x = 50,385,011,097,600
5. Step 5: Solve for x
   x = 50,385,011,097,600/3,312,888
6. Step 6: Final answer
   x = 15,208,787.95