Finding the Third Proportional to 156,786,354 and 243,750,384

Step by Step Solution

1. Step 1: Write the proportion equation
   156,786,354 : 243,750,384 = 243,750,384 : x
2. Step 2: Convert to fraction form
   156,786,354/243,750,384 = 243,750,384/x
3. Step 3: Cross multiply
   156,786,354x = 243,750,384 × 243,750,384
4. Step 4: Simplify right side
   156,786,354x = 59,414,249,700,147,456
5. Step 5: Solve for x
   x = 59,414,249,700,147,456/156,786,354
6. Step 6: Final answer
   x = 378,950,388.12