Finding the Third Proportional to 692,312 and 1,488,040

Step by Step Solution

1. Step 1: Write the proportion equation
   692,312 : 1,488,040 = 1,488,040 : x
2. Step 2: Convert to fraction form
   692,312/1,488,040 = 1,488,040/x
3. Step 3: Cross multiply
   692,312x = 1,488,040 × 1,488,040
4. Step 4: Simplify right side
   692,312x = 2,214,263,041,600
5. Step 5: Solve for x
   x = 2,214,263,041,600/692,312
6. Step 6: Final answer
   x = 3,198,360.05