Finding the Third Proportional to 29,376.42 and 63,878.63

Step by Step Solution

1. Step 1: Write the proportion equation
   29,376.42 : 63,878.63 = 63,878.63 : x
2. Step 2: Convert to fraction form
   29,376.42/63,878.63 = 63,878.63/x
3. Step 3: Cross multiply
   29,376.42x = 63,878.63 × 63,878.63
4. Step 4: Simplify right side
   29,376.42x = 4,080,478,731.89
5. Step 5: Solve for x
   x = 4,080,478,731.89/29,376.42
6. Step 6: Final answer
   x = 138,903.19