Finding the Third Proportional to 124,157,646 and 263,443,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   124,157,646 : 263,443,499.25 = 263,443,499.25 : x
2. Step 2: Convert to fraction form
   124,157,646/263,443,499.25 = 263,443,499.25/x
3. Step 3: Cross multiply
   124,157,646x = 263,443,499.25 × 263,443,499.25
4. Step 4: Simplify right side
   124,157,646x = 69,402,477,297,084,752
5. Step 5: Solve for x
   x = 69,402,477,297,084,752/124,157,646
6. Step 6: Final answer
   x = 558,986,736.08