Finding the Third Proportional to 17,688,510 and 38,492,280

Step by Step Solution

1. Step 1: Write the proportion equation
   17,688,510 : 38,492,280 = 38,492,280 : x
2. Step 2: Convert to fraction form
   17,688,510/38,492,280 = 38,492,280/x
3. Step 3: Cross multiply
   17,688,510x = 38,492,280 × 38,492,280
4. Step 4: Simplify right side
   17,688,510x = 1,481,655,619,598,400
5. Step 5: Solve for x
   x = 1,481,655,619,598,400/17,688,510
6. Step 6: Final answer
   x = 83,763,732.48