Finding the Third Proportional to 5,745,068 and 8,736,978

Step by Step Solution

1. Step 1: Write the proportion equation
   5,745,068 : 8,736,978 = 8,736,978 : x
2. Step 2: Convert to fraction form
   5,745,068/8,736,978 = 8,736,978/x
3. Step 3: Cross multiply
   5,745,068x = 8,736,978 × 8,736,978
4. Step 4: Simplify right side
   5,745,068x = 76,334,784,572,484
5. Step 5: Solve for x
   x = 76,334,784,572,484/5,745,068
6. Step 6: Final answer
   x = 13,287,011.50