Finding the Third Proportional to 19,663,461.28 and 30,778,687.55

Step by Step Solution

1. Step 1: Write the proportion equation
   19,663,461.28 : 30,778,687.55 = 30,778,687.55 : x
2. Step 2: Convert to fraction form
   19,663,461.28/30,778,687.55 = 30,778,687.55/x
3. Step 3: Cross multiply
   19,663,461.28x = 30,778,687.55 × 30,778,687.55
4. Step 4: Simplify right side
   19,663,461.28x = 947,327,607,108,158.25
5. Step 5: Solve for x
   x = 947,327,607,108,158.25/19,663,461.28
6. Step 6: Final answer
   x = 48,177,052.53