Finding the Third Proportional to 4,978,500 and 7,513,547

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978,500 : 7,513,547 = 7,513,547 : x
2. Step 2: Convert to fraction form
   4,978,500/7,513,547 = 7,513,547/x
3. Step 3: Cross multiply
   4,978,500x = 7,513,547 × 7,513,547
4. Step 4: Simplify right side
   4,978,500x = 56,453,388,521,209
5. Step 5: Solve for x
   x = 56,453,388,521,209/4,978,500
6. Step 6: Final answer
   x = 11,339,437.28