Finding the Third Proportional to 1,712,292 and 3,689,485

Step by Step Solution

1. Step 1: Write the proportion equation
   1,712,292 : 3,689,485 = 3,689,485 : x
2. Step 2: Convert to fraction form
   1,712,292/3,689,485 = 3,689,485/x
3. Step 3: Cross multiply
   1,712,292x = 3,689,485 × 3,689,485
4. Step 4: Simplify right side
   1,712,292x = 13,612,299,565,225
5. Step 5: Solve for x
   x = 13,612,299,565,225/1,712,292
6. Step 6: Final answer
   x = 7,949,753.64