Finding the Third Proportional to 623,409,103.69 and 1,355,329,047.38

Step by Step Solution

1. Step 1: Write the proportion equation
   623,409,103.69 : 1,355,329,047.38 = 1,355,329,047.38 : x
2. Step 2: Convert to fraction form
   623,409,103.69/1,355,329,047.38 = 1,355,329,047.38/x
3. Step 3: Cross multiply
   623,409,103.69x = 1,355,329,047.38 × 1,355,329,047.38
4. Step 4: Simplify right side
   623,409,103.69x = 1,836,916,826,658,425,088
5. Step 5: Solve for x
   x = 1,836,916,826,658,425,088/623,409,103.69
6. Step 6: Final answer
   x = 2,946,567,215.32