Finding the Third Proportional to 915,692.50 and 1,347,057.50

Step by Step Solution

1. Step 1: Write the proportion equation
   915,692.50 : 1,347,057.50 = 1,347,057.50 : x
2. Step 2: Convert to fraction form
   915,692.50/1,347,057.50 = 1,347,057.50/x
3. Step 3: Cross multiply
   915,692.50x = 1,347,057.50 × 1,347,057.50
4. Step 4: Simplify right side
   915,692.50x = 1,814,563,908,306.25
5. Step 5: Solve for x
   x = 1,814,563,908,306.25/915,692.50
6. Step 6: Final answer
   x = 1,981,630.20