Finding the Third Proportional to 3,699,720 and 8,069,985

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699,720 : 8,069,985 = 8,069,985 : x
2. Step 2: Convert to fraction form
   3,699,720/8,069,985 = 8,069,985/x
3. Step 3: Cross multiply
   3,699,720x = 8,069,985 × 8,069,985
4. Step 4: Simplify right side
   3,699,720x = 65,124,657,900,225
5. Step 5: Solve for x
   x = 65,124,657,900,225/3,699,720
6. Step 6: Final answer
   x = 17,602,590.98