Finding the Third Proportional to 301,899 and 651,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,899 : 651,088.50 = 651,088.50 : x
2. Step 2: Convert to fraction form
   301,899/651,088.50 = 651,088.50/x
3. Step 3: Cross multiply
   301,899x = 651,088.50 × 651,088.50
4. Step 4: Simplify right side
   301,899x = 423,916,234,832.25
5. Step 5: Solve for x
   x = 423,916,234,832.25/301,899
6. Step 6: Final answer
   x = 1,404,165.75