Finding the Third Proportional to 3,688,300 and 7,558,688

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688,300 : 7,558,688 = 7,558,688 : x
2. Step 2: Convert to fraction form
   3,688,300/7,558,688 = 7,558,688/x
3. Step 3: Cross multiply
   3,688,300x = 7,558,688 × 7,558,688
4. Step 4: Simplify right side
   3,688,300x = 57,133,764,281,344
5. Step 5: Solve for x
   x = 57,133,764,281,344/3,688,300
6. Step 6: Final answer
   x = 15,490,541.52