Finding the Third Proportional to 5,141,988 and 9,817,416

Step by Step Solution

1. Step 1: Write the proportion equation
   5,141,988 : 9,817,416 = 9,817,416 : x
2. Step 2: Convert to fraction form
   5,141,988/9,817,416 = 9,817,416/x
3. Step 3: Cross multiply
   5,141,988x = 9,817,416 × 9,817,416
4. Step 4: Simplify right side
   5,141,988x = 96,381,656,917,056
5. Step 5: Solve for x
   x = 96,381,656,917,056/5,141,988
6. Step 6: Final answer
   x = 18,744,045.48