Finding the Third Proportional to 56,781,860 and 123,528,236

Step by Step Solution

1. Step 1: Write the proportion equation
   56,781,860 : 123,528,236 = 123,528,236 : x
2. Step 2: Convert to fraction form
   56,781,860/123,528,236 = 123,528,236/x
3. Step 3: Cross multiply
   56,781,860x = 123,528,236 × 123,528,236
4. Step 4: Simplify right side
   56,781,860x = 15,259,225,089,271,696
5. Step 5: Solve for x
   x = 15,259,225,089,271,696/56,781,860
6. Step 6: Final answer
   x = 268,734,153.64