Finding the Third Proportional to 52,812,684 and 80,788,320

Step by Step Solution

1. Step 1: Write the proportion equation
   52,812,684 : 80,788,320 = 80,788,320 : x
2. Step 2: Convert to fraction form
   52,812,684/80,788,320 = 80,788,320/x
3. Step 3: Cross multiply
   52,812,684x = 80,788,320 × 80,788,320
4. Step 4: Simplify right side
   52,812,684x = 6,526,752,648,422,400
5. Step 5: Solve for x
   x = 6,526,752,648,422,400/52,812,684
6. Step 6: Final answer
   x = 123,583,051.53