Finding the Third Proportional to 157,280,564 and 235,920,870

Step by Step Solution

1. Step 1: Write the proportion equation
   157,280,564 : 235,920,870 = 235,920,870 : x
2. Step 2: Convert to fraction form
   157,280,564/235,920,870 = 235,920,870/x
3. Step 3: Cross multiply
   157,280,564x = 235,920,870 × 235,920,870
4. Step 4: Simplify right side
   157,280,564x = 55,658,656,901,556,896
5. Step 5: Solve for x
   x = 55,658,656,901,556,896/157,280,564
6. Step 6: Final answer
   x = 353,881,341.00