Finding the Third Proportional to 67,896,792 and 138,931,200

Step by Step Solution

1. Step 1: Write the proportion equation
   67,896,792 : 138,931,200 = 138,931,200 : x
2. Step 2: Convert to fraction form
   67,896,792/138,931,200 = 138,931,200/x
3. Step 3: Cross multiply
   67,896,792x = 138,931,200 × 138,931,200
4. Step 4: Simplify right side
   67,896,792x = 19,301,878,333,440,000
5. Step 5: Solve for x
   x = 19,301,878,333,440,000/67,896,792
6. Step 6: Final answer
   x = 284,282,626.10