Finding the Third Proportional to 7,298,640 and 10,513,428

Step by Step Solution

1. Step 1: Write the proportion equation
   7,298,640 : 10,513,428 = 10,513,428 : x
2. Step 2: Convert to fraction form
   7,298,640/10,513,428 = 10,513,428/x
3. Step 3: Cross multiply
   7,298,640x = 10,513,428 × 10,513,428
4. Step 4: Simplify right side
   7,298,640x = 110,532,168,311,184
5. Step 5: Solve for x
   x = 110,532,168,311,184/7,298,640
6. Step 6: Final answer
   x = 15,144,214.31