Finding the Third Proportional to 59,506,976 and 90,158,653

Step by Step Solution

1. Step 1: Write the proportion equation
   59,506,976 : 90,158,653 = 90,158,653 : x
2. Step 2: Convert to fraction form
   59,506,976/90,158,653 = 90,158,653/x
3. Step 3: Cross multiply
   59,506,976x = 90,158,653 × 90,158,653
4. Step 4: Simplify right side
   59,506,976x = 8,128,582,710,774,409
5. Step 5: Solve for x
   x = 8,128,582,710,774,409/59,506,976
6. Step 6: Final answer
   x = 136,598,820.12