Finding the Third Proportional to 5,316,786 and 8,248,565

Step by Step Solution

1. Step 1: Write the proportion equation
   5,316,786 : 8,248,565 = 8,248,565 : x
2. Step 2: Convert to fraction form
   5,316,786/8,248,565 = 8,248,565/x
3. Step 3: Cross multiply
   5,316,786x = 8,248,565 × 8,248,565
4. Step 4: Simplify right side
   5,316,786x = 68,038,824,559,225
5. Step 5: Solve for x
   x = 68,038,824,559,225/5,316,786
6. Step 6: Final answer
   x = 12,796,983.85