Finding the Third Proportional to 187,874,282 and 388,636,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,874,282 : 388,636,008.50 = 388,636,008.50 : x
2. Step 2: Convert to fraction form
   187,874,282/388,636,008.50 = 388,636,008.50/x
3. Step 3: Cross multiply
   187,874,282x = 388,636,008.50 × 388,636,008.50
4. Step 4: Simplify right side
   187,874,282x = 151,037,947,102,812,064
5. Step 5: Solve for x
   x = 151,037,947,102,812,064/187,874,282
6. Step 6: Final answer
   x = 803,930,934.53