Finding the Third Proportional to 52,812,686 and 80,788,323

Step by Step Solution

1. Step 1: Write the proportion equation
   52,812,686 : 80,788,323 = 80,788,323 : x
2. Step 2: Convert to fraction form
   52,812,686/80,788,323 = 80,788,323/x
3. Step 3: Cross multiply
   52,812,686x = 80,788,323 × 80,788,323
4. Step 4: Simplify right side
   52,812,686x = 6,526,753,133,152,329
5. Step 5: Solve for x
   x = 6,526,753,133,152,329/52,812,686
6. Step 6: Final answer
   x = 123,583,056.03