Finding the Third Proportional to 3,447,985 and 7,316,258

Step by Step Solution

1. Step 1: Write the proportion equation
   3,447,985 : 7,316,258 = 7,316,258 : x
2. Step 2: Convert to fraction form
   3,447,985/7,316,258 = 7,316,258/x
3. Step 3: Cross multiply
   3,447,985x = 7,316,258 × 7,316,258
4. Step 4: Simplify right side
   3,447,985x = 53,527,631,122,564
5. Step 5: Solve for x
   x = 53,527,631,122,564/3,447,985
6. Step 6: Final answer
   x = 15,524,322.50