Finding the Third Proportional to 85,538,464 and 123,588,336

Step by Step Solution

1. Step 1: Write the proportion equation
   85,538,464 : 123,588,336 = 123,588,336 : x
2. Step 2: Convert to fraction form
   85,538,464/123,588,336 = 123,588,336/x
3. Step 3: Cross multiply
   85,538,464x = 123,588,336 × 123,588,336
4. Step 4: Simplify right side
   85,538,464x = 15,274,076,795,248,896
5. Step 5: Solve for x
   x = 15,274,076,795,248,896/85,538,464
6. Step 6: Final answer
   x = 178,563,842.29