Finding the Third Proportional to 7,878,354 and 17,137,076

Step by Step Solution

1. Step 1: Write the proportion equation
   7,878,354 : 17,137,076 = 17,137,076 : x
2. Step 2: Convert to fraction form
   7,878,354/17,137,076 = 17,137,076/x
3. Step 3: Cross multiply
   7,878,354x = 17,137,076 × 17,137,076
4. Step 4: Simplify right side
   7,878,354x = 293,679,373,829,776
5. Step 5: Solve for x
   x = 293,679,373,829,776/7,878,354
6. Step 6: Final answer
   x = 37,276,742.56