Finding the Third Proportional to 3,907,457 and 8,331,046

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,457 : 8,331,046 = 8,331,046 : x
2. Step 2: Convert to fraction form
   3,907,457/8,331,046 = 8,331,046/x
3. Step 3: Cross multiply
   3,907,457x = 8,331,046 × 8,331,046
4. Step 4: Simplify right side
   3,907,457x = 69,406,327,454,116
5. Step 5: Solve for x
   x = 69,406,327,454,116/3,907,457
6. Step 6: Final answer
   x = 17,762,531.35