Finding the Third Proportional to 99,802.50 and 146,784.75

Step by Step Solution

1. Step 1: Write the proportion equation
   99,802.50 : 146,784.75 = 146,784.75 : x
2. Step 2: Convert to fraction form
   99,802.50/146,784.75 = 146,784.75/x
3. Step 3: Cross multiply
   99,802.50x = 146,784.75 × 146,784.75
4. Step 4: Simplify right side
   99,802.50x = 21,545,762,832.56
5. Step 5: Solve for x
   x = 21,545,762,832.56/99,802.50
6. Step 6: Final answer
   x = 215,884.00