Finding the Third Proportional to 347,364 and 521,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   347,364 : 521,887.50 = 521,887.50 : x
2. Step 2: Convert to fraction form
   347,364/521,887.50 = 521,887.50/x
3. Step 3: Cross multiply
   347,364x = 521,887.50 × 521,887.50
4. Step 4: Simplify right side
   347,364x = 272,366,562,656.25
5. Step 5: Solve for x
   x = 272,366,562,656.25/347,364
6. Step 6: Final answer
   x = 784,095.54