Finding the Third Proportional to 700,196 and 1,688,120

Step by Step Solution

1. Step 1: Write the proportion equation
   700,196 : 1,688,120 = 1,688,120 : x
2. Step 2: Convert to fraction form
   700,196/1,688,120 = 1,688,120/x
3. Step 3: Cross multiply
   700,196x = 1,688,120 × 1,688,120
4. Step 4: Simplify right side
   700,196x = 2,849,749,134,400
5. Step 5: Solve for x
   x = 2,849,749,134,400/700,196
6. Step 6: Final answer
   x = 4,069,930.61