Finding the Third Proportional to 63,613,062 and 138,488,688

Step by Step Solution

1. Step 1: Write the proportion equation
   63,613,062 : 138,488,688 = 138,488,688 : x
2. Step 2: Convert to fraction form
   63,613,062/138,488,688 = 138,488,688/x
3. Step 3: Cross multiply
   63,613,062x = 138,488,688 × 138,488,688
4. Step 4: Simplify right side
   63,613,062x = 19,179,116,703,961,344
5. Step 5: Solve for x
   x = 19,179,116,703,961,344/63,613,062
6. Step 6: Final answer
   x = 301,496,518.18