Finding the Third Proportional to 402,492,472.88 and 604,164,718.69

Step by Step Solution

1. Step 1: Write the proportion equation
   402,492,472.88 : 604,164,718.69 = 604,164,718.69 : x
2. Step 2: Convert to fraction form
   402,492,472.88/604,164,718.69 = 604,164,718.69/x
3. Step 3: Cross multiply
   402,492,472.88x = 604,164,718.69 × 604,164,718.69
4. Step 4: Simplify right side
   402,492,472.88x = 365,015,007,306,745,984
5. Step 5: Solve for x
   x = 365,015,007,306,745,984/402,492,472.88
6. Step 6: Final answer
   x = 906,886,542.99