Finding the Third Proportional to 196,897.50 and 429,432

Step by Step Solution

1. Step 1: Write the proportion equation
   196,897.50 : 429,432 = 429,432 : x
2. Step 2: Convert to fraction form
   196,897.50/429,432 = 429,432/x
3. Step 3: Cross multiply
   196,897.50x = 429,432 × 429,432
4. Step 4: Simplify right side
   196,897.50x = 184,411,842,624
5. Step 5: Solve for x
   x = 184,411,842,624/196,897.50
6. Step 6: Final answer
   x = 936,588.04