Finding the Third Proportional to 41,688,085.50 and 90,552,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,688,085.50 : 90,552,631.50 = 90,552,631.50 : x
2. Step 2: Convert to fraction form
   41,688,085.50/90,552,631.50 = 90,552,631.50/x
3. Step 3: Cross multiply
   41,688,085.50x = 90,552,631.50 × 90,552,631.50
4. Step 4: Simplify right side
   41,688,085.50x = 8,199,779,071,574,792
5. Step 5: Solve for x
   x = 8,199,779,071,574,792/41,688,085.50
6. Step 6: Final answer
   x = 196,693,586.99