Finding the Third Proportional to 102,472,505 and 223,139,442

Step by Step Solution

1. Step 1: Write the proportion equation
   102,472,505 : 223,139,442 = 223,139,442 : x
2. Step 2: Convert to fraction form
   102,472,505/223,139,442 = 223,139,442/x
3. Step 3: Cross multiply
   102,472,505x = 223,139,442 × 223,139,442
4. Step 4: Simplify right side
   102,472,505x = 49,791,210,576,071,360
5. Step 5: Solve for x
   x = 49,791,210,576,071,360/102,472,505
6. Step 6: Final answer
   x = 485,898,247.30