Finding the Third Proportional to 621,316 and 931,014

Step by Step Solution

1. Step 1: Write the proportion equation
   621,316 : 931,014 = 931,014 : x
2. Step 2: Convert to fraction form
   621,316/931,014 = 931,014/x
3. Step 3: Cross multiply
   621,316x = 931,014 × 931,014
4. Step 4: Simplify right side
   621,316x = 866,787,068,196
5. Step 5: Solve for x
   x = 866,787,068,196/621,316
6. Step 6: Final answer
   x = 1,395,082.48