Finding the Third Proportional to 5,678,342 and 8,817,051

Step by Step Solution

1. Step 1: Write the proportion equation
   5,678,342 : 8,817,051 = 8,817,051 : x
2. Step 2: Convert to fraction form
   5,678,342/8,817,051 = 8,817,051/x
3. Step 3: Cross multiply
   5,678,342x = 8,817,051 × 8,817,051
4. Step 4: Simplify right side
   5,678,342x = 77,740,388,336,601
5. Step 5: Solve for x
   x = 77,740,388,336,601/5,678,342
6. Step 6: Final answer
   x = 13,690,684.42