Finding the Third Proportional to 666,347 and 949,677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   666,347 : 949,677.50 = 949,677.50 : x
2. Step 2: Convert to fraction form
   666,347/949,677.50 = 949,677.50/x
3. Step 3: Cross multiply
   666,347x = 949,677.50 × 949,677.50
4. Step 4: Simplify right side
   666,347x = 901,887,354,006.25
5. Step 5: Solve for x
   x = 901,887,354,006.25/666,347
6. Step 6: Final answer
   x = 1,353,480.02