Finding the Third Proportional to 359,151 and 535,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,151 : 535,612.50 = 535,612.50 : x
2. Step 2: Convert to fraction form
   359,151/535,612.50 = 535,612.50/x
3. Step 3: Cross multiply
   359,151x = 535,612.50 × 535,612.50
4. Step 4: Simplify right side
   359,151x = 286,880,750,156.25
5. Step 5: Solve for x
   x = 286,880,750,156.25/359,151
6. Step 6: Final answer
   x = 798,774.75