Finding the Third Proportional to 5,709,312 and 7,776,432

Step by Step Solution

1. Step 1: Write the proportion equation
   5,709,312 : 7,776,432 = 7,776,432 : x
2. Step 2: Convert to fraction form
   5,709,312/7,776,432 = 7,776,432/x
3. Step 3: Cross multiply
   5,709,312x = 7,776,432 × 7,776,432
4. Step 4: Simplify right side
   5,709,312x = 60,472,894,650,624
5. Step 5: Solve for x
   x = 60,472,894,650,624/5,709,312
6. Step 6: Final answer
   x = 10,591,975.82