Finding the Third Proportional to 19,781,294 and 41,688,028

Step by Step Solution

1. Step 1: Write the proportion equation
   19,781,294 : 41,688,028 = 41,688,028 : x
2. Step 2: Convert to fraction form
   19,781,294/41,688,028 = 41,688,028/x
3. Step 3: Cross multiply
   19,781,294x = 41,688,028 × 41,688,028
4. Step 4: Simplify right side
   19,781,294x = 1,737,891,678,528,784
5. Step 5: Solve for x
   x = 1,737,891,678,528,784/19,781,294
6. Step 6: Final answer
   x = 87,855,308.08