Finding the Third Proportional to 152,658 and 243,064.13

Step by Step Solution

1. Step 1: Write the proportion equation
   152,658 : 243,064.13 = 243,064.13 : x
2. Step 2: Convert to fraction form
   152,658/243,064.13 = 243,064.13/x
3. Step 3: Cross multiply
   152,658x = 243,064.13 × 243,064.13
4. Step 4: Simplify right side
   152,658x = 59,080,168,862.02
5. Step 5: Solve for x
   x = 59,080,168,862.02/152,658
6. Step 6: Final answer
   x = 387,009.98