Finding the Third Proportional to 190,969 and 420,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   190,969 : 420,072.50 = 420,072.50 : x
2. Step 2: Convert to fraction form
   190,969/420,072.50 = 420,072.50/x
3. Step 3: Cross multiply
   190,969x = 420,072.50 × 420,072.50
4. Step 4: Simplify right side
   190,969x = 176,460,905,256.25
5. Step 5: Solve for x
   x = 176,460,905,256.25/190,969
6. Step 6: Final answer
   x = 924,029.06