Finding the Third Proportional to 692,499 and 1,035,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   692,499 : 1,035,988.50 = 1,035,988.50 : x
2. Step 2: Convert to fraction form
   692,499/1,035,988.50 = 1,035,988.50/x
3. Step 3: Cross multiply
   692,499x = 1,035,988.50 × 1,035,988.50
4. Step 4: Simplify right side
   692,499x = 1,073,272,172,132.25
5. Step 5: Solve for x
   x = 1,073,272,172,132.25/692,499
6. Step 6: Final answer
   x = 1,549,853.75