Finding the Third Proportional to 661,465 and 1,402,413

Step by Step Solution

1. Step 1: Write the proportion equation
   661,465 : 1,402,413 = 1,402,413 : x
2. Step 2: Convert to fraction form
   661,465/1,402,413 = 1,402,413/x
3. Step 3: Cross multiply
   661,465x = 1,402,413 × 1,402,413
4. Step 4: Simplify right side
   661,465x = 1,966,762,222,569
5. Step 5: Solve for x
   x = 1,966,762,222,569/661,465
6. Step 6: Final answer
   x = 2,973,342.84