Finding the Third Proportional to 451,851 and 978,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   451,851 : 978,088.50 = 978,088.50 : x
2. Step 2: Convert to fraction form
   451,851/978,088.50 = 978,088.50/x
3. Step 3: Cross multiply
   451,851x = 978,088.50 × 978,088.50
4. Step 4: Simplify right side
   451,851x = 956,657,113,832.25
5. Step 5: Solve for x
   x = 956,657,113,832.25/451,851
6. Step 6: Final answer
   x = 2,117,195.96