Finding the Third Proportional to 156,748 and 342,898

Step by Step Solution

1. Step 1: Write the proportion equation
   156,748 : 342,898 = 342,898 : x
2. Step 2: Convert to fraction form
   156,748/342,898 = 342,898/x
3. Step 3: Cross multiply
   156,748x = 342,898 × 342,898
4. Step 4: Simplify right side
   156,748x = 117,579,038,404
5. Step 5: Solve for x
   x = 117,579,038,404/156,748
6. Step 6: Final answer
   x = 750,115.08