Finding the Third Proportional to 693,688 and 1,513,428

Step by Step Solution

1. Step 1: Write the proportion equation
   693,688 : 1,513,428 = 1,513,428 : x
2. Step 2: Convert to fraction form
   693,688/1,513,428 = 1,513,428/x
3. Step 3: Cross multiply
   693,688x = 1,513,428 × 1,513,428
4. Step 4: Simplify right side
   693,688x = 2,290,464,311,184
5. Step 5: Solve for x
   x = 2,290,464,311,184/693,688
6. Step 6: Final answer
   x = 3,301,865.26