Finding the Third Proportional to 5,186,070 and 7,850,685

Step by Step Solution

1. Step 1: Write the proportion equation
   5,186,070 : 7,850,685 = 7,850,685 : x
2. Step 2: Convert to fraction form
   5,186,070/7,850,685 = 7,850,685/x
3. Step 3: Cross multiply
   5,186,070x = 7,850,685 × 7,850,685
4. Step 4: Simplify right side
   5,186,070x = 61,633,254,969,225
5. Step 5: Solve for x
   x = 61,633,254,969,225/5,186,070
6. Step 6: Final answer
   x = 11,884,385.47