Finding the Third Proportional to 5,812,294 and 7,978,688

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812,294 : 7,978,688 = 7,978,688 : x
2. Step 2: Convert to fraction form
   5,812,294/7,978,688 = 7,978,688/x
3. Step 3: Cross multiply
   5,812,294x = 7,978,688 × 7,978,688
4. Step 4: Simplify right side
   5,812,294x = 63,659,462,201,344
5. Step 5: Solve for x
   x = 63,659,462,201,344/5,812,294
6. Step 6: Final answer
   x = 10,952,553.71