Finding the Third Proportional to 56,781,834 and 123,528,188

Step by Step Solution

1. Step 1: Write the proportion equation
   56,781,834 : 123,528,188 = 123,528,188 : x
2. Step 2: Convert to fraction form
   56,781,834/123,528,188 = 123,528,188/x
3. Step 3: Cross multiply
   56,781,834x = 123,528,188 × 123,528,188
4. Step 4: Simplify right side
   56,781,834x = 15,259,213,230,563,344
5. Step 5: Solve for x
   x = 15,259,213,230,563,344/56,781,834
6. Step 6: Final answer
   x = 268,734,067.85