Finding the Third Proportional to 429,925.50 and 911,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,925.50 : 911,047.50 = 911,047.50 : x
2. Step 2: Convert to fraction form
   429,925.50/911,047.50 = 911,047.50/x
3. Step 3: Cross multiply
   429,925.50x = 911,047.50 × 911,047.50
4. Step 4: Simplify right side
   429,925.50x = 830,007,547,256.25
5. Step 5: Solve for x
   x = 830,007,547,256.25/429,925.50
6. Step 6: Final answer
   x = 1,930,584.59